APA (7th ed.) Citation

Sherif, M., & Sherif, C. W. (1956). An outline of social psychology (Rev. ed.). Harper.

Chicago Style (17th ed.) Citation

Sherif, Muzafer, and Carolyn W. Sherif. An Outline of Social Psychology. Rev. ed. New York: Harper, 1956.

MLA (9th ed.) Citation

Sherif, Muzafer, and Carolyn W. Sherif. An Outline of Social Psychology. Rev. ed. Harper, 1956.