APA (7th ed.) Citation

Safari Tech Books Online, Oaks, S. A., & Wong, H. C. (1999). Java threads (2nd ed.). O'Reilly & Associates.

Chicago Style (17th ed.) Citation

Safari Tech Books Online, Scott Author Oaks, and Henry Contributor Wong. Java Threads. 2nd ed. [Place of publication not identified]: O'Reilly & Associates, 1999.

MLA (9th ed.) Citation

Safari Tech Books Online, et al. Java Threads. 2nd ed. O'Reilly & Associates, 1999.