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. Eisenstein M. Artificial organs: Honey, I shrunk the lungs. Nature. 2015;519:S16-8.

A journal article with 2 authors

1. Saha K, Hurlbut JB. Research ethics: Treat donors as partners in biobank research. Nature. 2011;478:312–3.

A journal article with 3 authors

1. Goddard MR, Godfray HCJ, Burt A. Sex increases the efficacy of natural selection in experimental yeast populations. Nature. 2005;434:636–40.

A journal article with 7 or more authors

1. Quinlan ME, Heuser JE, Kerkhoff E, Mullins RD. Drosophila Spire is an actin nucleation factor. Nature. 2005;433:382–8.

Books and book chapters

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

An authored book

1. Tattar PN, Ramaiah S, Manjunath BG. A Course in Statistics With R. Chichester, UK: John Wiley & Sons, Ltd; 2016.

An edited book

1. Bennemann KH, Ketterson JB, editors. Superconductivity: Conventional and Unconventional Superconductors. Berlin, Heidelberg: Springer; 2008.

A chapter in an edited book

1. Pendergast JM, Ward JL, de Pontet SB. The Special Value of Independent Directors to the Family Business. In: Ward JL, Pontet SB de, editors. Building a Successful Family Business Board: A Guide for Leaders, Directors, and Families. New York, NY: Palgrave Macmillan US; 2011. p. 35–52.

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. Luntz S. Insects Have Been Carrying Camouflage Since The Dinosaurs. IFLScience. 2016. https://www.iflscience.com/plants-and-animals/insects-have-been-carrying-camouflage-since-the-dinosaurs/. 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. Aviation Security: Improved Controls Needed To Prevent Unauthorized Access at Key Airports. Washington, DC: U.S. Government Printing Office; 1988.

Theses and dissertations

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

Doctoral dissertation

1. Parsons JR. Throwing a wrench in the translational machinery: Discovery of RNA ligands by fluorescence techniques. Doctoral dissertation. University of California San Diego; 2010.

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. Belson K, Pilon M. Round One in Sprints to Jamaica; Briton Takes 10,000. New York Times. 2012;:SP3.

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