APA (7th ed.) Citation

Sherman, R. A. (1999). Mr. Modem's Internet guide for seniors. Sybex.

Chicago Style (17th ed.) Citation

Sherman, Richard A. Mr. Modem's Internet Guide for Seniors. San Francisco: Sybex, 1999.

MLA (9th ed.) Citation

Sherman, Richard A. Mr. Modem's Internet Guide for Seniors. Sybex, 1999.