There are many systems out there to help you manage your ciations. This Wikipedia article on reference management software provides a chart comparing all the programs and their features - making your choice an easier, more well informed one.
Here are some highlights on each of the featured tools:
A list of a few choices with links to starting points. More detailed help provided below!
This is a free to use browser plugin for Firefox that makes it easy to save and organize your citations and to work with writing your papers in MSWord.
If you are a first time user, go to Sled Summon to login and create a new account with RefWorks, by clicking the upper right corner of the screen.
The version of RefWorks available through SLED Summon, by default, does not allow integration with Word or Google Docs. However users can still install the Google Docs plugin, login to RefWorks when prompted and insert formatted in-text citations and references within Google Docs. Step-by-step instructions for the Google Docs plug in are available.