APA (7th ed.) Citation

Cutler, E., Gilly, D., & O'Reilly. (1994). SCO UNIX in a nutshell: A desktop quick reference for SCO UNIX and open desktop. O'Reilly.

Chicago Style (17th ed.) Citation

Cutler, Ellie, Daniel Gilly, and O'Reilly. SCO UNIX in a Nutshell: A Desktop Quick Reference for SCO UNIX and Open Desktop. Cambridge: O'Reilly, 1994.

MLA (9th ed.) Citation

Cutler, Ellie, et al. SCO UNIX in a Nutshell: A Desktop Quick Reference for SCO UNIX and Open Desktop. O'Reilly, 1994.