APA (7th ed.) Citation
Beck, K., & Gamma, E. Extreme Programming Explained: Embrace Change. Addison-Wesley.
Chicago Style (17th ed.) Citation
Beck, Kent, and Erich Gamma. Extreme Programming Explained: Embrace Change. Boston, EUA: Addison-Wesley.
MLA (9th ed.) Citation
Beck, Kent, and Erich Gamma. Extreme Programming Explained: Embrace Change. Addison-Wesley.
Warning: These citations may not always be 100% accurate.