APA (7th ed.) Citation

Wrenn, B., Loudon, D. L., & Stevens, R. E. (2002). Marketing research: Text and cases. Best Business Books.

Chicago Style (17th ed.) Citation

Wrenn, Bruce, David L. Loudon, and Robert E. Stevens. Marketing Research: Text and Cases. New York: Best Business Books, 2002.

MLA (9th ed.) Citation

Wrenn, Bruce, et al. Marketing Research: Text and Cases. Best Business Books, 2002.