APA (7th ed.) Citation

Jeffrey Schrank. (1991). Understanding mass media (4th.). National textbook company.

Chicago Style (17th ed.) Citation

Jeffrey Schrank. Understanding Mass Media. 4th. Lincolnwood: National textbook company, 1991.

MLA (9th ed.) Citation

Jeffrey Schrank. Understanding Mass Media. 4th. National textbook company, 1991.

Warning: These citations may not always be 100% accurate.