APA (7th ed.) Citation

Simmonds, K., & Leighton, D. S. R. (1973). Case problems in marketing. Nelson.

Chicago Style (17th ed.) Citation

Simmonds, Kenneth, and David Struan Robertson Leighton. Case Problems in Marketing. London: Nelson, 1973.

MLA (9th ed.) Citation

Simmonds, Kenneth, and David Struan Robertson Leighton. Case Problems in Marketing. Nelson, 1973.