APA (7th ed.) Citation
Severin, W. J., & Tankard, J. W. (1979). Communication theories: Origin, methods, and users in the mass media. Longman.
Chicago Style (17th ed.) Citation
Severin, Werner J., and James W. Tankard. Communication Theories: Origin, Methods, and Users in the Mass Media. New York: Longman, 1979.
MLA (9th ed.) Citation
Severin, Werner J., and James W. Tankard. Communication Theories: Origin, Methods, and Users in the Mass Media. Longman, 1979.
Warning: These citations may not always be 100% accurate.