How to format your references using the Journal of Circadian Rhythms citation style

This is a short guide how to format citations and the bibliography in a manuscript for Journal of Circadian Rhythms. 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

1. O’Rahilly S. Human genetics illuminates the paths to metabolic disease. Nature. 2009;462:307–14.

A journal article with 2 authors

1. Olson JW, Maier RJ. Molecular hydrogen as an energy source for Helicobacter pylori. Science. 2002;298:1788–90.

A journal article with 3 authors

1. Georgellis D, Kwon O, Lin EC. Quinones as the redox signal for the arc two-component system of bacteria. Science. 2001;292:2314–6.

A journal article with 7 or more authors

1. Thomas AL, Henderson GM, Deschamps P, Yokoyama Y, Mason AJ, Bard E, et al. Penultimate deglacial sea-level timing from uranium/thorium dating of Tahitian corals. Science. 2009;324:1186–9.

Books and book chapters

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

An authored book

1. Iwacz G, Jajszczyk A, Zajączkowski M. Multimedia Broadcasting and Multicasting in Mobile Networks. Chichester, UK: John Wiley & Sons, Ltd; 2008.

An edited book

1. Hepburn HR, Radloff SE, editors. Honeybees of Asia. Berlin, Heidelberg: Springer; 2011.

A chapter in an edited book

1. Gregorcyk SG. Fecal Incontinence. In: Zimmern PE, Norton PA, Haab F, Chapple CCR, editors. Vaginal Surgery for Incontinence and Prolapse. London: Springer; 2006. p. 55–63.

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 Circadian Rhythms.

Blog post

1. Andrew E. Mysterious Satellite Sparks Concerns That Russia Has Developed A Space Weapon. IFLScience. 2014. https://www.iflscience.com/space/mysterious-satellite-sparks-concerns-russia-has-developed-space-weapon/. Accessed 30 Oct 2018.

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

1. Government Accountability Office. Export Controls: National Security Risks and Revisions to Controls on Computer Systems. Washington, DC: U.S. Government Printing Office; 2000.

Theses and dissertations

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

Doctoral dissertation

1. Peto J. A defense of Donald Davidson’s dissolution to the problem of global skepticism. Doctoral dissertation. California State University, Long Beach; 2009.

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. Hodara S. Affordability in a Bucolic Setting. New York Times. 2016;:RE17.

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 title	Journal of Circadian Rhythms
ISSN (print)	1740-3391
Scope

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