APA (7th ed.) Citation

Humphrey, W. S. PSP: A Self-Improvement Process for Software Engineers. Addison-Wesley.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.