Cita APA (7a ed.)

Mack, G., & Casstevens, D. (2002). Mind Gym (1st edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Mack, Gary, y David Casstevens. Mind Gym. 1st edition. McGraw-Hill, 2002.

Cita MLA (8a ed.)

Mack, Gary, y David Casstevens. Mind Gym. 1st edition. McGraw-Hill, 2002.