MLA stands for the Modern Language Association, which is the organization that codifies this particular style. MLA style uses parenthetical citations and a "works cited" page that comes at the very end of your content.
MLA is currently on the 9th edition, though your professor may prefer an earlier version, so ask if you are unsure!
In-text citations in MLA style typically include the author's last name and the page number for the material you are citing.
Example: (Jones 44)
NOTE: You should NOT include "p." or "pg." before the page number.
For additional information on in-text citations, please see MLA: In-Text Citations
Your Works Cited will be a complete list of all sources used in your paper or project. Remember that the complete citation entries act like addresses for your sources. Below you will find templates for several common types of sources, but please consult MLA: Works Cited for additional information.
LastName, FirstName. Title. Publisher, YEAR.
LastName, FirstName. "Title of Article." Title of Journal, vol. #, no. #, YEAR, pp. #-#.
LastName, FirstName. "Title of Chapter." Title of Collection, edited by Editor(s) FirstName LastName, Publisher, YEAR, pp. #-#.