APA (7th ed.) Citation

Engel, J. F., Blackwell, R. D., & Miniard, P. W. (1990). Consumer behavior (6th ed.). Dryden.

Chicago Style (17th ed.) Citation

Engel, James F., Roger D. Blackwell, and Paul W. Miniard. Consumer Behavior. 6th ed. Chicago [etc.]: Dryden, 1990.

MLA (9th ed.) Citation

Engel, James F., et al. Consumer Behavior. 6th ed. Dryden, 1990.