Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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