Evaluate your sources, read through the literature, and cite your sources to facilitate finding them again.
Summarize and evaluate the literature for its contributions.
Analyse the information and identify any strengths, weaknesses, contradictions and gaps in the research.
Reference and cite all the documents you find - you may want to use them for your literature review. This will help you keep track of the literature you have reviewed and facilitate retrieval of the document later.
Use a referencing product like RefWorks and create an account to download and organize you citations and keep track of sources.
Use citators to evaluate an article based on how often it has been cited: