You always have the most control over the accuracy of your citations when you do it by hand using the selected style manual.
ProQuest RefWorks is a tool that helps you handle all your citations. The link below takes you through all of the basics of how to utilize RefWorks.
More specifically, RefWorks allows you to:
While going directly to the style guide is the best way to ensure accuracy in your citations, off campus an online source, like the one below, will serve as a quick example for the basics.