APA (7th ed.) Citation

Sierra, K., & Bates, B. (2005). Head first java (2nd ed.). O' Reilly.

Chicago Style (17th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First Java. 2nd ed. Sebastopol: O' Reilly, 2005.

MLA (8th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First Java. 2nd ed. O' Reilly, 2005.

Warning: These citations may not always be 100% accurate.