APA (7th ed.) Citation

Ditzenberger, R., & Kidney, J. (1992). Selling: Helping customers buy (3rd ed.). South-Western.

Chicago Style (17th ed.) Citation

Ditzenberger, Roger, and John Kidney. Selling: Helping Customers Buy. 3rd ed. Cincinnati, Ohio: South-Western, 1992.

MLA (9th ed.) Citation

Ditzenberger, Roger, and John Kidney. Selling: Helping Customers Buy. 3rd ed. South-Western, 1992.