APA (7th ed.) Citation

Degenhart, C., & Muehlbauer, J. (1998). Aol in a nutshell: A desktop guide to America online. O'Reilly.

Chicago Style (17th ed.) Citation

Degenhart, Curt, and Jen Muehlbauer. Aol in a Nutshell: A Desktop Guide to America Online. Cambridge: O'Reilly, 1998.

MLA (8th ed.) Citation

Degenhart, Curt, and Jen Muehlbauer. Aol in a Nutshell: A Desktop Guide to America Online. O'Reilly, 1998.