APA stands for American Psychological Association. The APA publishers a manual that offers a standard for writers in the medical and biological sciences to use when formatting research papers and bibliographies.
The APA Publication Manual describes how to format your paper, how to cite the resources you use within the body of the paper, and how to create your references list - the bibliography of sources you used - at the end of the paper.
There are many online resources to help you with APA. Here are a few that we recommend: