Cita APA (7a ed.)

Vengel, A. A. (2000). The influence edge: How to persuade others to help you achieve your goals. Berrett-Koehler Publishers.

Cita Chicago Style (17a ed.)

Vengel, Alan A. The Influence Edge: How to Persuade Others to Help You Achieve Your Goals. San Francisco, CA: Berrett-Koehler Publishers, 2000.

Cita MLA (8a ed.)

Vengel, Alan A. The Influence Edge: How to Persuade Others to Help You Achieve Your Goals. Berrett-Koehler Publishers, 2000.