APA (7th ed.) Citation

New Riders Publishing, Nichols-Vaughan, S., & Schindler, E. (1994). New riders' guide to modems. New Riders Publishing.

Chicago Style (17th ed.) Citation

New Riders Publishing, Steven Nichols-Vaughan, and Esther Schindler. New Riders' Guide to Modems. Indianapolis: New Riders Publishing, 1994.

MLA (8th ed.) Citation

New Riders Publishing, et al. New Riders' Guide to Modems. New Riders Publishing, 1994.