APA (7th ed.) Citation

Block, C. E., Roering, K. J., & Engel, J. F. (1976). Essentials of consumer behavior. Dryden Press.

Chicago Style (17th ed.) Citation

Block, Carl E., Kenneth J. Roering, and James F. Engel. Essentials of Consumer Behavior. Hinsdale, Ill.: Dryden Press, 1976.

MLA (9th ed.) Citation

Block, Carl E., et al. Essentials of Consumer Behavior. Dryden Press, 1976.