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This guide is dedicated to the American Psychological Association (APA) style 6th edition (an author-date style).
There are two parts to citing references in the APA style:
in the text citations when you refer to ideas or information you have collected during your research. Each citation is indicated by including the author and date of the publication (in brackets) referred to or cited. Page numbers are also included if using a quotation.
in a reference list at the end of your text, which gives the full details of the works you have referred to or cited so that your readers can follow up for themselves.
The important thing to remember when referencing is to be consistent with whatever style you are using.
The detailed referencing guide (see below) developed by the Library describes in detail the rules of the APA style (6th edition), along with examples of references for the various information sources you will use including books, e-books, journal articles, newspapers, websites etc.