APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Sierra, Kathy, and Bert Bates. Head First EJB. First edition. Sebastopol, California: O'Reilly, 2003.

MLA (9th ed.) Citation

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