APA (7th ed.) Citation

Horstmann, C. S., & Cornell, G. Core Java 1.2. Sun Microsystems Press.

Chicago Style (17th ed.) Citation

Horstmann, Cay S., and Gary Cornell. Core Java 1.2. Palo Alto, Calif: Sun Microsystems Press.

MLA (9th ed.) Citation

Horstmann, Cay S., and Gary Cornell. Core Java 1.2. Sun Microsystems Press.