EVALUATE IT!
Technical aspects:
Books:
Does the work have a table of contents and an index?
Periodicals (Magazines and Newspapers):
Is the article signed?
Are there headings and sub-headings within the article?
Content :
What is the date this source was published?
Have you compared the information found in this source to others?
Did the information lead you to other sources of that were useful?
Does up-to-date information matter for your purpose?
Does the information differ from something you found somewhere else?
Would the author have reason to misrepresent of distort the facts?
Authority :
Who wrote this article or book?
Is there a list of works cited or a bibliography?
What can you do to prove that this is accurate?
Considering all the data you have collected while evaluating the source, explain why or why not this site is (or is not) helpful.