In MLA format, you briefly identify your sources in the text of your paper, then give the full information in the Works Cited list at the end of the paper.
There are several resources available to help you use MLA format:
MLA Documentation Guide from ACC Library Services. Also available in PDF format.
OWL Purdue MLA Style Guide -- Produced by Purdue University, this site covers the general format and guidelines of MLA Style and gives detailed information about constructing in-text MLA citations and creating works cited lists.