APA (7th ed.) Citation

DiBona, C., Ockman, S., & Stone, M. (1999). Open sources: Voices from the open source revolution (First edition.). O'Reilly.

Chicago Style (17th ed.) Citation

DiBona, Chris, Sam Ockman, and Mark Stone. Open Sources: Voices from the Open Source Revolution. First edition. Beijing: O'Reilly, 1999.

MLA (8th ed.) Citation

DiBona, Chris, et al. Open Sources: Voices from the Open Source Revolution. First edition. O'Reilly, 1999.