Documenting your research completely, accurately, and in a correct format is essential.
Information on avoiding plagiarism, and a guide to Zotero, a program that allows you to create a personalized bibliographic database also appear on this page.
OWL is an excellent resource for help on citing sources.
This page is from the American Psychological Association to help you answer some questions about using APA.
OWL at Purdue (Chicago) - Find help with Chicago style questions here
We recommend that you use a citation manager. There are many available, but the library supports Zotero, a free manager which will help you gather and organize citations and the associated source materials.
Here's a link to a LibGuide to help you get started.