APA (7th ed.) Citation

Engel, J. F., Kollat, D. T., & Blackwell, R. D. (1968). Consumer behavior. Holt, Rinehard and Winston.

Chicago Style (17th ed.) Citation

Engel, James F., David T. Kollat, and Roger D. Blackwell. Consumer Behavior. New York etc.: Holt, Rinehard and Winston, 1968.

MLA (9th ed.) Citation

Engel, James F., et al. Consumer Behavior. Holt, Rinehard and Winston, 1968.