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
Bottjer DJ. Geochemistry. Life in the Early Triassic ocean. Science. 2012;338(6105):336-337.
A journal article with 2 authors
Promislow DEL, Kaeberlein M. Development. Chemical warfare in the battle of the sexes. Science. 2014;343(6170):491-492.
A journal article with 3 authors
Hess KL, Corda CJ, Lanese KM. SPORE series winner. Science Buddies: advancing informal science education. Science. 2011;332(6029):550-551.
A journal article with 7 or more authors
Mason MF, Norton MI, Van Horn JD, Wegner DM, Grafton ST, Macrae CN. Wandering minds: the default network and stimulus-independent thought. Science. 2007;315(5810):393-395.

Books and book chapters

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

An authored book
Black R. Pragmatic Software Testing. John Wiley & Sons, Inc.; 2016.
An edited book
Bentley G, ed. European Instructional Lectures: Volume 12, 2012, 13th EFORT Congress, Berlin, Germany. Vol 12. Springer; 2012.
A chapter in an edited book
Palmer-Brown D, Jayne C. Hypercube Neural Network Algorithm for Classification. In: Iliadis L, Jayne C, eds. Engineering Applications of Neural Networks: 12th INNS EANN-SIG International Conference, EANN 2011 and 7th IFIP WG 12.5 International Conference, AIAI 2011, Corfu, Greece, September 15-18, 2011, Proceedings Part I. IFIP Advances in Information and Communication Technology. Springer; 2011:41-51.

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
Carpineti A. Old Mice Drinking Champagne Three Times A Week Navigate Labyrinths Better. IFLScience. Published November 9, 2015. 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. Army Battlefield Automation: Oversight Needed to Assure Integrated System. U.S. Government Printing Office; 1990.

Theses and dissertations

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

Doctoral dissertation
Shaw RM. The influence of organizational culture on employee attitudes towards information security policy. Published online 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
Sbarbaro JA. Standard Morning Fare, on the Go. New York Times. March 22, 2017:A16.

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