Collecting and organizing relevant literature is an important step in the process of scholarly publication. There are many ways to collect the results of literature searching, ranging from piles of paper (not recommended!) to organizing everything electronically. Within that range, you can find or craft a solution that works well for you.
Purdue Libraries provides support for several citation managers, including EndNote (desktop, $) and EndNote Basic (web-based, free). See the resources below for more information.
Being productive in life and in work can often be achieved by working more efficiently rather than harder. The time spent getting organized and setting up a system that helps you be more productive will pay for itself many times over! There are thousands of personal productivity resources - here are a few to get you started.