APA (7th ed.) Citation

Sierra, K., & Bates, B. (2005). Head First Java, 2nd Edition (2nd edition.). O'Reilly Media, Inc..

Chicago Style (17th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First Java, 2nd Edition. 2nd edition. O'Reilly Media, Inc., 2005.

MLA (9th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First Java, 2nd Edition. 2nd edition. O'Reilly Media, Inc., 2005.

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