APA (7th ed.) Citation

Costell, J. (2004). The science of sales success: A proven system for high-profit, repeatable results. AMACOM.

Chicago Style (17th ed.) Citation

Costell, Josh. The Science of Sales Success: A Proven System for High-profit, Repeatable Results. New York: AMACOM, 2004.

MLA (9th ed.) Citation

Costell, Josh. The Science of Sales Success: A Proven System for High-profit, Repeatable Results. AMACOM, 2004.