APA (7th ed.) Citation

Horstmann, C. S., & Cornell, G. (1999). Core Java: Rev. and updated for Java SE 6. Sun Microsystems Press.

Chicago Style (17th ed.) Citation

Horstmann, Cay S., and Gary Cornell. Core Java: Rev. and Updated for Java SE 6. Palo Alto, Calif: Sun Microsystems Press, 1999.

MLA (9th ed.) Citation

Horstmann, Cay S., and Gary Cornell. Core Java: Rev. and Updated for Java SE 6. Sun Microsystems Press, 1999.