APA (7th ed.) Citation

Horton, S. (2006). Access by design: A guide to universal usability for Web designers. New Riders.

Chicago Style (17th ed.) Citation

Horton, Sarah. Access by Design: A Guide to Universal Usability for Web Designers. Berkeley, CA: New Riders, 2006.

MLA (9th ed.) Citation

Horton, Sarah. Access by Design: A Guide to Universal Usability for Web Designers. New Riders, 2006.