How to format your references using the Hellenic Journal of Cardiology citation style

This is a short guide how to format citations and the bibliography in a manuscript for Hellenic Journal of Cardiology. 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	Find the style here: output styles overview
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

Ruddiman WF. Retrospective. Nicholas J. Shackleton (1937-2006). Science. 2006;312(5774):711.

A journal article with 2 authors

Macquaker JHS, Bohacs KM. Geology. On the accumulation of mud. Science. 2007;318(5857):1734-1735.

A journal article with 3 authors

Finlay JC, Small GE, Sterner RW. Human influences on nitrogen removal in lakes. Science. 2013;342(6155):247-250.

A journal article with 7 or more authors

Tegus O, Brück E, Buschow KHJ, de Boer FR. Transition-metal-based magnetic refrigerants for room-temperature applications. Nature. 2002;415(6868):150-152.

Books and book chapters

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

An authored book

Overhauser A. Anomalous Effects in Simple Metals. Wiley-VCH Verlag GmbH & Co. KGaA; 2010.

An edited book

Ghodssi R, Lin P, eds. MEMS Materials and Processes Handbook. Vol 1. Springer US; 2011.

A chapter in an edited book

Nielsen SP, Roos P, Dahlgaard H, Olsen SK, Jernström J, Eriksson M. Thule Expedition 2003 - Studies on Radioactive Contamination and Particles. In: Oughton DH, Kashparov V, eds. Radioactive Particles in the Environment. NATO Science for Peace and Security Series C: Environmental Security. Springer Netherlands; 2009:93-109.

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 Hellenic Journal of Cardiology.

Blog post

Andrew E. Why haven’t we encountered aliens yet? The answer could be climate change. IFLScience.

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. State Health Insurance Marketplaces: CMS Should Improve Oversight of State Information Technology Projects. U.S. Government Printing Office; 2015.

Theses and dissertations

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

Doctoral dissertation

Roy Chowdhury T. Tracking Carbon Flow during Methane Oxidation into Methanotrophs Using 13C-PLFA Labeling in Pulsing Freshwater Wetlands. Doctoral dissertation. Ohio State 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

Rothenberg B. How Penguins Make A Home on Road Ice. New York Times. May 6, 2017:D3.

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	Hellenic Journal of Cardiology
Abbreviation	Hellenic J. Cardiol.
ISSN (print)	1109-9666
Scope	Cardiology and Cardiovascular Medicine