APA (7th ed.) Citation

Wortman, L. A. (1983). Sales manager's problem-solver. Wiley.

Chicago Style (17th ed.) Citation

Wortman, Leon A. Sales Manager's Problem-solver. New York: Wiley, 1983.

MLA (9th ed.) Citation

Wortman, Leon A. Sales Manager's Problem-solver. Wiley, 1983.