A reference and a citation are abbreviated ways of referring to one specific resource like a book, an article or an online resource. It consists of a combination of an in-text citation as well as its bibliographic equivalence in the reference list:
There are various systems or styles that provide guidelines on how to format or order this information, including the use of italics, punctuation, abbreviations, and capitalization. Sometimes these styles stem from specific disciplines as with the American Psychological Association (APA), Harvard, or the Modern Language Association (MLA).
On the Internet, you will find many practical resources on how to use the various citation styles like Cite This For Me (CTFM) Citation Guides.
At our university, two referencing styles are used: APA and Harvard. The Library offers two guides, one for APA and one for Harvard. This guide will only elaborate on APA style referencing.
Additional information on the APA style: