Cita APA (7a ed.)

Johnson, K. (2019). Peak Performance Selling: How to Increase Your Sales by 80% in 8 Weeks. G & D Media.

Cita Chicago Style (17a ed.)

Johnson, Kerry. Peak Performance Selling: How to Increase Your Sales by 80% in 8 Weeks. New York: G & D Media, 2019.

Cita MLA (8a ed.)

Johnson, Kerry. Peak Performance Selling: How to Increase Your Sales by 80% in 8 Weeks. G & D Media, 2019.