APA (7th ed.) Citation

Muster, J., Birns, P., & Lurnix. (1989). Unix power utilities for power users. Tech Publ..

Chicago Style (17th ed.) Citation

Muster, John, Peter Birns, and Lurnix. Unix Power Utilities for Power Users. Singapore: Tech Publ., 1989.

MLA (9th ed.) Citation

Muster, John, et al. Unix Power Utilities for Power Users. Tech Publ., 1989.