List the author of the page you are citing. In this case, that information would appear as follows: Centers for Disease Control and Prevention
List the date of publication in parentheses, followed by a period. For example: (1999).
List the title of the page or article, followed by a period. Only the first letter of the title should be capitalized, as well as any proper nouns. For example: Smoking and tobacco use in America.
List the URL in the following format: Retrieved from http://www.cdc.gov/tobacco/
Ensure that the finished citation appears in the following format: Centers for Disease Control and Prevention (1999). Smoking and tobacco use in America. Retrieved from http://www.cdc.gov/tobacco/
List the title of the article or webpage in quotation marks and followed by a period. For example: "Smoking and Tobacco Use in America."
List the name of the website in italics. For example: cdc.gov.
List the name of the publisher, followed by a comma. For example: Centers for Disease Control and Prevention,
List the year of publication, followed by a period. For example: 1999. If no date is given, list: n.d.
List the medium of publication, followed by a period. This should appear as follows: Web.
List the date on which you accessed the webpage, followed by a period. The names of months should be abbreviated down to three letters in MLA style. For example: 23 Jan. 2010.
Ensure that the finished citation appears in the following format: "Smoking and Tobacco Use in America." cdc.gov. Centers for Disease Control and Prevention, 1999. Web. 23 Jan. 2010.