How to format your references using the Progress in Orthodontics citation style

This is a short guide how to format citations and the bibliography in a manuscript for Progress in Orthodontics. 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:

PaperpileThe citation style is built in and you can choose it in Settings > Citation Style or Paperpile > Citation Style in Google Docs.
EndNoteFind the style here: output styles overview
Mendeley, Zotero, Papers, and othersThe style is either built in or you can download a CSL file that is supported by most references management programs.
BibTeXBibTeX 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
1. Service RF. American Chemical Society meeting. Snapshots from the meeting. Science. 2006;314:47.
A journal article with 2 authors
1. Drake JJ, Testa P. The “solar model problem” solved by the abundance of neon in nearby stars. Nature. 2005;436:525–8.
A journal article with 3 authors
1. Hua W, Chung J, Gelles J. Distinguishing inchworm and hand-over-hand processive kinesin movement by neck rotation measurements. Science. 2002;295:844–8.
A journal article with 7 or more authors
1. Israelian G, Santos NC, Mayor M, Rebolo R. Evidence for planet engulfment by the star HD82943. Nature. 2001;411:163–6.

Books and book chapters

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

An authored book
1. Loughran M. Auditing for Dummies®. Hoboken, NJ: Wiley Publishing, Inc.; 2010.
An edited book
1. Werle G, Fernandez L, Vormbaum M, editors. Africa and the International Criminal Court. The Hague: T.M.C. Asser Press; 2014.
A chapter in an edited book
1. Fortunati L, Manganelli AM, Law P-L, Yang S. The “Mobile” Face of Contemporary China. In: Law P-L, editor. New Connectivities in China: Virtual, Actual and Local Interactions. Dordrecht: Springer Netherlands; 2012. p. 53–65.

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 Progress in Orthodontics.

Blog post
1. Andrews R. Education Secretary Betsy DeVos Has Some Curious Thoughts About The Future Of Schools [Internet]. IFLScience. IFLScience; 2017 [cited 2018 Oct 30]. Available from:


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
1. Government Accountability Office. Aviation Manufacturing: Status of FAA’s Efforts to Improve Certification and Regulatory Consistency. Washington, DC: U.S. Government Printing Office; 2014 Jul. Report No.: GAO-14-829T.

Theses and dissertations

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

Doctoral dissertation
1. Peacock C. Design science research toward designing/prototyping a repeatable model for testing location management (LM) algorithms for wireless networking [Doctoral dissertation]. [Minneapolis, MN]: Capella University; 2012.

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
1. Bilefsky D, Castle S. Britain Says Equine Drug May Be in Food Chain. New York Times. 2013 Feb 15;A6.

In-text citations

References should be cited in the text by sequential numbers in square brackets:

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 titleProgress in Orthodontics
AbbreviationProg. Orthod.
ISSN (online)2196-1042

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