APA (7th ed.) Citation

Valley, J. (1992). UNIX desktop guide to the Korn Shell. Hayden.

Chicago Style (17th ed.) Citation

Valley, John. UNIX Desktop Guide to the Korn Shell. Carmel, Ind: Hayden, 1992.

MLA (9th ed.) Citation

Valley, John. UNIX Desktop Guide to the Korn Shell. Hayden, 1992.

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