Cita APA (7a ed.)

Kousen, K. (2015). Learning path: Groovy. O'Reilly Media.

Cita Chicago Style (17a ed.)

Kousen, Ken. Learning Path: Groovy. [Place of publication not identified]: O'Reilly Media, 2015.

Cita MLA (9a ed.)

Kousen, Ken. Learning Path: Groovy. O'Reilly Media, 2015.