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:

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
Smil V. Horse power. Nature. 2000;405(6783):125.
A journal article with 2 authors
Morrison SJ, Scadden DT. The bone marrow niche for haematopoietic stem cells. Nature. 2014;505(7483):327-334.
A journal article with 3 authors
Hines PJ, Jasny BR, Mervis J. Adding a T to the three R’s. Education & technology. Introduction. Science. 2009;323(5910):53.
A journal article with 7 or more authors
Oikawa H, Suzuki Y, Saito M, Kamagata K, Arai M, Takahashi S. Microsecond dynamics of an unfolded protein by a line confocal tracking of single molecule fluorescence. Sci Rep. 2013;3:2151.

Books and book chapters

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

An authored book
Thornicroft G, Semrau M, Alem A, et al. Community Mental Health. John Wiley & Sons, Ltd; 2011.
An edited book
Jones JM. Pollutants Generated by the Combustion of Solid Biomass Fuels. (Lea-Langton AR, Ma L, Pourkashanian M, Williams A, eds.). Springer; 2014.
A chapter in an edited book
Nordenstreng K. Embroiled in Cold War Politics: IOJ and IFJ (1946–). In: Björk UJ, Beyersdorf F, Høyer S, Lauk E, eds. A History of the International Movement of Journalists: Professionalism Versus Politics. Palgrave Macmillan UK; 2016:125-172.

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
Luntz S. Mysterious Stone Circles Found In The Middle East. IFLScience. Published November 5, 2014. Accessed October 30, 2018.


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. Year 2000 Computing Crisis: The District of Columbia Remains Behind Schedule. U.S. Government Printing Office; 1999.

Theses and dissertations

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

Doctoral dissertation
Lopez V. The Indian Child Welfare Act of 1978: A policy analysis. Published online 2015.

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
Wagner J. Mets’ Rally From 10-0 Hole Falls Short. New York Times. September 25, 2016:SP4.

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 titleHellenic Journal of Cardiology
AbbreviationHellenic J. Cardiol.
ISSN (print)1109-9666
ScopeCardiology and Cardiovascular Medicine

Other styles