APA (7th ed.) Citation
Hart, R. P., Friedrich, G. W., & Brooks, W. D. (1975). Public communication. Harper & Row.
Chicago Style (17th ed.) Citation
Hart, Roderick P., Gustav W. Friedrich, and William Dean Brooks. Public Communication. New York: Harper & Row, 1975.
MLA (9th ed.) Citation
Hart, Roderick P., et al. Public Communication. Harper & Row, 1975.
Warning: These citations may not always be 100% accurate.