Cita APA (7a ed.)

Combs, J., & Kumpel, K. (2012). The procrastination cure: 7 steps to stop putting life off (1st edition.). Career Press.

Cita Chicago Style (17a ed.)

Combs, Jeffrey, y Kara Kumpel. The Procrastination Cure: 7 Steps to Stop Putting Life off. 1st edition. Pompton Plains, New Jersey: Career Press, 2012.

Cita MLA (9a ed.)

Combs, Jeffrey, y Kara Kumpel. The Procrastination Cure: 7 Steps to Stop Putting Life off. 1st edition. Career Press, 2012.