APA (7th ed.) Citation

Topham, D. W. (1990). A System V Guide to UNIX and XENIX. Springer New York.

Chicago Style (17th ed.) Citation

Topham, Douglas William. A System V Guide to UNIX and XENIX. New York, NY: Springer New York, 1990.

MLA (9th ed.) Citation

Topham, Douglas William. A System V Guide to UNIX and XENIX. Springer New York, 1990.