APA (7th ed.) Citation

Ray Deborah S. & Ray Eric J. (1998). Visual quickstart guide UNIX. Peachpit Press.

Chicago Style (17th ed.) Citation

Ray Deborah S. and Ray Eric J. Visual Quickstart Guide UNIX. Peachpit Press, 1998.

MLA (8th ed.) Citation

Ray Deborah S. and Ray Eric J. Visual Quickstart Guide UNIX. Peachpit Press, 1998.

Warning: These citations may not always be 100% accurate.