APA (7th ed.) Citation

Davidson, W. P., & Boylan, J. (1982). Mass media: Systems and effects (2nd ed.). Holt.

Chicago Style (17th ed.) Citation

Davidson, W. Phillips, and James Boylan. Mass Media: Systems and Effects. 2nd ed. New York: Holt, 1982.

MLA (9th ed.) Citation

Davidson, W. Phillips, and James Boylan. Mass Media: Systems and Effects. 2nd ed. Holt, 1982.