APA (7th ed.) Citation

Barrett, D. J., Silverman, R. E., & Byrnes, R. G. (2005). SSH, the Secure Shell: The definitive guide (2nd ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Barrett, Daniel J., Richard E. Silverman, and Robert G. Byrnes. SSH, the Secure Shell: The Definitive Guide. 2nd ed. Sebastopol, California: O'Reilly, 2005.

MLA (9th ed.) Citation

Barrett, Daniel J., et al. SSH, the Secure Shell: The Definitive Guide. 2nd ed. O'Reilly, 2005.