APA (7th ed.) Citation

Massy, W. F., Frank, R. E., & Lodahl, T. (1968). Purchasing behavior and personal attributes. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Massy, William F., Ronald Edward Frank, and Thomas Lodahl. Purchasing Behavior and Personal Attributes. Philadelphia: University of Pennsylvania Press, 1968.

MLA (9th ed.) Citation

Massy, William F., et al. Purchasing Behavior and Personal Attributes. University of Pennsylvania Press, 1968.