Purdue University's Online Writing Lab (OWL) website provides information on many writing styles, including AP. This page provides a brief introduction to AP Style, standard style guidelines, lists of frequently used abbreviations, suggestions for writing leads, & more.
Zotero is a citation management tool that is built into your web browser to help you collect, organize, and share citations. Zotero's big strengths are its browser extensions, which let you grab citations right off the web, and its user-friendly features, like enabling drag-and-drop citation placement. Zotero also helps you create and format bibliographies and footnotes in a wide variety of citation styles.