APA (7th ed.) Citation

Stephan, C. W., & Stephan, W. G. (1990). Two social psychologies (2. ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Stephan, Cookie W., and Walter G. Stephan. Two Social Psychologies. 2. ed. Belmont, Calif: Wadsworth, 1990.

MLA (9th ed.) Citation

Stephan, Cookie W., and Walter G. Stephan. Two Social Psychologies. 2. ed. Wadsworth, 1990.