APA (7th ed.) Citation

Walker, J. R., & Taylor, T. (2006). The Columbia Guide to Online Style.

Chicago Style (17th ed.) Citation

Walker, Janice R., and Todd Taylor. The Columbia Guide to Online Style. 2006.

MLA (9th ed.) Citation

Walker, Janice R., and Todd Taylor. The Columbia Guide to Online Style. 2006.

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