Cita APA (7a ed.)

Walkup, R. P., & McKee, S. L. (2006). Selling to anyone over the phone (1st edition.). AMACOM.

Cita Chicago Style (17a ed.)

Walkup, Renee P., y Sandra L. McKee. Selling to Anyone over the Phone. 1st edition. New York: AMACOM, 2006.

Cita MLA (9a ed.)

Walkup, Renee P., y Sandra L. McKee. Selling to Anyone over the Phone. 1st edition. AMACOM, 2006.