APA (7th ed.) Citation

Yates, J., Basham, C., & Emerson, S. L. (1984). The business guide to the UNIX system. Addison-Wesley.

Chicago Style (17th ed.) Citation

Yates, Jean, Candice Basham, and Sandra L. Emerson. The Business Guide to the UNIX System. Reading, Mass: Addison-Wesley, 1984.

MLA (9th ed.) Citation

Yates, Jean, et al. The Business Guide to the UNIX System. Addison-Wesley, 1984.