How to format your references using the Journal of Periodontology citation style

This is a short guide how to format citations and the bibliography in a manuscript for Journal of Periodontology. For a complete guide how to prepare your manuscript refer to the journal's instructions to authors.

Using reference management software

Typically you don't format your citations and bibliography by hand. The easiest way is to use a reference manager:

Paperpile	The citation style is built in and you can choose it in Settings > Citation Style or Paperpile > Citation Style in Google Docs.
EndNote	Download the output style file
Mendeley, Zotero, Papers, and others	The style is either built in or you can download a CSL file that is supported by most references management programs.
BibTeX	BibTeX syles are usually part of a LaTeX template. Check the instructions to authors if the publisher offers a LaTeX template for this journal.

Journal articles

Those examples are references to articles in scholarly journals and how they are supposed to appear in your bibliography.

Not all journals organize their published articles in volumes and issues, so these fields are optional. Some electronic journals do not provide a page range, but instead list an article identifier. In a case like this it's safe to use the article identifier instead of the page range.

A journal article with 1 author

Chang HY. Anatomic demarcation of cells: genes to patterns. Science. 2009 Nov 27;326(5957):1206–7.

A journal article with 2 authors

Lyerly AD, Faden RR. Embryonic stem cells. Willingness to donate frozen embryos for stem cell research. Science. 2007 Jul 6;317(5834):46–7.

A journal article with 3 authors

Halazonetis TD, Gorgoulis VG, Bartek J. An oncogene-induced DNA damage model for cancer development. Science. 2008 Mar 7;319(5868):1352–5.

A journal article with 7 or more authors

Bernhardt TG, Wang IN, Struck DK, Young R. A protein antibiotic in the phage Qbeta virion: diversity in lysis targets. Science. 2001 Jun 22;292(5525):2326–9.

Books and book chapters

Here are examples of references for authored and edited books as well as book chapters.

An authored book

Liu E, Noppe-Brandon S. Imagination First. San Francisco, CA, USA: Jossey-Bass; 2011.

An edited book

Dorsman A, Westerman W, Simpson JL, editors. Energy Technology and Valuation Issues. Cham: Springer International Publishing; 2015. X, 229 p. 39 illus., 2 illus. in color.

A chapter in an edited book

Noran O. An Enterprise Architecture Approach towards Environmental Management. In: Bernus P, Doumeingts G, Fox M, editors. Enterprise Architecture, Integration and Interoperability: IFIP TC 5 International Conference, EAI2N 2010, Held as Part of WCC 2010, Brisbane, Australia, September 20-23, 2010 Proceedings. Berlin, Heidelberg: Springer; 2010. p. 44–55. (IFIP Advances in Information and Communication Technology).

Web sites

Sometimes references to web sites should appear directly in the text rather than in the bibliography. Refer to the Instructions to authors for Journal of Periodontology.

Blog post

Luntz S. Watch A Giant Leech Swallow A Giant Worm Whole [Internet]. IFLScience. IFLScience; 2014 [cited 2018 Oct 30]. Available from: https://www.iflscience.com/plants-and-animals/giant-red-worm-eating-leech-filmed/

Reports

This example shows the general structure used for government reports, technical reports, and scientific reports. If you can't locate the report number then it might be better to cite the report as a book. For reports it is usually not individual people that are credited as authors, but a governmental department or agency like "U. S. Food and Drug Administration" or "National Cancer Institute".

Government report

Government Accountability Office. DOD’s Data Banks on Contractors’ Independent Research and Development Programs. Washington, DC: U.S. Government Printing Office; 1973 Aug. Report No.: B-163391.

Theses and dissertations

Theses including Ph.D. dissertations, Master's theses or Bachelor theses follow the basic format outlined below.

Doctoral dissertation

Monterosa VM. Digital Citizenship District-Wide: Examining the Organizational Evolution of an Initiative [Doctoral dissertation]. [Long Beach, CA]: California State University, Long Beach; 2017.

News paper articles

Unlike scholarly journals, news papers do not usually have a volume and issue number. Instead, the full date and page number is required for a correct reference.

New York Times article

Kaag J. Cosmic Explorer. New York Times. 2017 Jan 13;BR13.

In-text citations

References should be cited in the text by sequential numbers in superscript:

This sentence cites one reference ¹.
This sentence cites two references ^1,2.
This sentence cites four references ^1–4.

About the journal

Full journal title	Journal of Periodontology
Abbreviation	J. Periodontol.
ISSN (print)	0022-3492
ISSN (online)	1943-3670
Scope