APA (7th ed.) Citation

Boyd, H. W., Westfall, R., & Stasch, S. F. (1985). Marketing research: Text and cases (6. ed.). Irwin.

Chicago Style (17th ed.) Citation

Boyd, Harper W., Ralph Westfall, and Stanley F. Stasch. Marketing Research: Text and Cases. 6. ed. Homewood, IL: Irwin, 1985.

MLA (9th ed.) Citation

Boyd, Harper W., et al. Marketing Research: Text and Cases. 6. ed. Irwin, 1985.