Cita APA (7a ed.)

Humphrey, W. S. (2005). PSP: A self-improvement process for software engineers. Addison-Wesley.

Cita Chicago Style (17a ed.)

Humphrey, Watts S. PSP: A Self-improvement Process for Software Engineers. Upper Saddle River, NJ: Addison-Wesley, 2005.

Cita MLA (8a ed.)

Humphrey, Watts S. PSP: A Self-improvement Process for Software Engineers. Addison-Wesley, 2005.