Cita APA (7a ed.)

Beaird, J., & George, J. (2014). The principles of beautiful web design (3rd ed.). sitepoint.

Cita Chicago Style (17a ed.)

Beaird, Jason, y James George. The Principles of Beautiful Web Design. 3rd ed. Collingwood, Victoria: sitepoint, 2014.

Cita MLA (9a ed.)

Beaird, Jason, y James George. The Principles of Beautiful Web Design. 3rd ed. sitepoint, 2014.