APA (7th ed.) Citation

Crissy, W. J. E., Cunningham, W. H., & Cunningham, I. C. M. (1977). Selling: The personal force in marketing. Wiley.

Chicago Style (17th ed.) Citation

Crissy, William Joseph Eliot, William Hughes Cunningham, and Isabella C. M. Cunningham. Selling: The Personal Force in Marketing. New York: Wiley, 1977.

MLA (9th ed.) Citation

Crissy, William Joseph Eliot, et al. Selling: The Personal Force in Marketing. Wiley, 1977.