APA (7th ed.) Citation

Beaird, J., Walker, A., & George, J. (2020). The Principles of Beautiful Web Design.

Chicago Style (17th ed.) Citation

Beaird, Jason, Alex Walker, and James George. The Principles of Beautiful Web Design. 2020.

MLA (9th ed.) Citation

Beaird, Jason, et al. The Principles of Beautiful Web Design. 2020.