When in doubt, cite it!
For parenthetical citations of PRINT materials:
"...to the problem of global warming" (Gore 10).
...scientific studies of global warming (Gore 160).
For parenthetical citations of WEB materials:
...atmospheric and economic trends ("Greenhouse Gas Emissions").
For sources with no author, more than one author, etc., please consult Purdue Owl's In-text Citation page.
Purdue Owl - Access the MLA Formatting and Style Guide from Purdue Owl. Guide provides easy-to-understand directions on formatting citations, in-text citations (parethetical) and works cited pages in MLA 7.
EasyBib School Edition - Easily create citations and your Works Cited page with the help of EasyBib. EasyBib School Edition also allows you to create notecards and build outlines.
Register for an EasyBib School Edition account on any LSA computer or ask a librarian for the coupon code to register for an account at home.