Cita APA (7a ed.)

König, D. A., & Kèonig, D. A. (2007). Groovy in action. Manning.

Cita Chicago Style (17a ed.)

König, Dierk Author, y Dierk. Author Kèonig. Groovy in Action. [Place of publication not identified]: Manning, 2007.

Cita MLA (9a ed.)

König, Dierk Author, y Dierk. Author Kèonig. Groovy in Action. Manning, 2007.