Cite Them Right 11th edition - Harvard

Barrett, D.J. and Silverman, R.E. (2001) SSH, the secure shell : the definitive guide [book]. 1. ed., Network security. 1. ed. Beijing [u.a.]: O’Reilly.

Chicago Manual of Style 17th edition (full note)

Barrett, Daniel J., and Richard E. Silverman. SSH, the secure shell : the definitive guide. Book. Network security. 1. ed. Beijing [u.a.]: O’Reilly, [2001?], Beijing [u.a.]: O’Reilly, [2001?].

American Psychological Association 7th edition

Barrett, D. J., & Silverman, R. E. (ca. 2001). SSH, the secure shell : the definitive guide [Book]. In Network security (1. ed.). O’Reilly.

Modern Language Association 9th edition

Barrett, D. J., and R. E. Silverman. “SSH, the secure shell : the definitive guide”. Network security, 1. ed., book, O’Reilly, 2001.

ISO-690 (author-date, Deutsch)

BARRETT, Daniel J. and Richard E. SILVERMAN, 2001. SSH, the secure shell : the definitive guide. 1. ed. Beijing [u.a.]: O’Reilly. ISBN 0596000111

Warning: These citations may not always be 100% accurate.