If you are using the APA, MLA, or another style, there are many online sources to give examples and explanations. These "How to" guides can assist you with your citations, but you may need to verify information with the official style manual.
There are several web-based free tools to assist you with your citations. However, the citations they create may not always be complete or accurate. You need to check their results!
The OWL offers tutorials on every stage of the writing process, and the requirements for various types of writing. It also has extensive guides to citing sources.
Zotero -- A Free Citation Management System
Zotero is a free online citation management system that allows you to save and organize citations, as well as collaborate with others on shared citation lists. This detailed guide explains how to use Zotero.
