For help with APA style, you may consult the APA Style Blog or the Purdue Online Writing Lab (OWL). Both are freely available online.
The Library has a copy of the Publication Manual of the APA on Level A in Reference.
You can also use Cite Source, which shows you how to cite a variety of sources, from web sites to books in print.
Need help with writing an annotated bibliography? Take a look at this guide from Cornell.
We encourage you to sign up for a free Zotero account in order to manage and format your citations. Here is a helpful video overview created by Trinity librarian Joelle Thomas.