APA (7th ed.) Citation

Newkirk, J., & Martin, R. C. (2001). Extreme programming in practice. Addison-Wesley.

Chicago Style (17th ed.) Citation

Newkirk, James, and Robert C. Martin. Extreme Programming in Practice. Boston: Addison-Wesley, 2001.

MLA (9th ed.) Citation

Newkirk, James, and Robert C. Martin. Extreme Programming in Practice. Addison-Wesley, 2001.