APA (7th ed.) Citation

Porter, J. E., Johnson-Eilola, J., & Sullivan, P. (2001). Professional Writing Online Users' Handbook. Allyn & Bacon.

Chicago Style (17th ed.) Citation

Porter, James E., Johndan Johnson-Eilola, and Patricia Sullivan. Professional Writing Online Users' Handbook. Boston: Allyn & Bacon, 2001.

MLA (9th ed.) Citation

Porter, James E., et al. Professional Writing Online Users' Handbook. Allyn & Bacon, 2001.