APA (7th ed.) Citation

Hayden, Kochan, S. G., & Wood, P. H. (1990). Unix networking. Hayden.

Chicago Style (17th ed.) Citation

Hayden, Stephen G. Kochan, and Patrick H. Wood. Unix Networking. Carmel: Hayden, 1990.

MLA (8th ed.) Citation

Hayden, et al. Unix Networking. Hayden, 1990.