Cita APA (7a ed.)

Sierra, K., & Bates, B. (2005). Head first Java (Second edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Sierra, Kathy, y Bert Bates. Head First Java. Second edition. Sebastopol, CA: O'Reilly, 2005.

Cita MLA (8a ed.)

Sierra, Kathy, y Bert Bates. Head First Java. Second edition. O'Reilly, 2005.