APA (7th ed.) Citation

Greenwald, A. G., Brock, T. C., & Ostrom, T. M. (1968). Psychological foundations of attitudes. Academic Press.

Chicago Style (17th ed.) Citation

Greenwald, Anthony G., Timothy C. Brock, and Thomas M. Ostrom. Psychological Foundations of Attitudes. New York: Academic Press, 1968.

MLA (9th ed.) Citation

Greenwald, Anthony G., et al. Psychological Foundations of Attitudes. Academic Press, 1968.