APA (7th ed.) Citation

Varhol, P. (1993). Implementing Unix in the 1990s (2nd ed.). Computer Technology Research.

Chicago Style (17th ed.) Citation

Varhol, Peter. Implementing Unix in the 1990s. 2nd ed. Charleston, South Carolina: Computer Technology Research, 1993.

MLA (9th ed.) Citation

Varhol, Peter. Implementing Unix in the 1990s. 2nd ed. Computer Technology Research, 1993.

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