Below is an introduction to some of the most popular referencing styles and links to examples of referencing guidance documents and tutorials for each of the referencing styles featured.
aPa (AMERICAN PSYCHOLOGICAL ASSOCIATION)
The American Psychological Association publishes a style guide, the Publication Manual of the American Psychological Association, which is commonly used by writers, editors and students in the social science subjects.
The APA also provides a free basic online tutorial to using the APA Style which includes guidance on how to reference.
The following, freely available APA web guides may also help you to reference your work using the APA style: