APA (7th ed.) Citation

Wallis, L. A. (1990). Computer-based sales force support. The Conference Board.

Chicago Style (17th ed.) Citation

Wallis, Louis A. Computer-based Sales Force Support. New York, NY: The Conference Board, 1990.

MLA (9th ed.) Citation

Wallis, Louis A. Computer-based Sales Force Support. The Conference Board, 1990.