APA (7th ed.) Citation

Sierra, K., & Bates, B. (2003). Head first EJB. O'Reilly.

Chicago Style (17th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First EJB. Beijing [etc.]: O'Reilly, 2003.

MLA (9th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First EJB. O'Reilly, 2003.

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