APA (7th ed.) Citation

LIDWELL, W., Holden, K., & Butler, J. Universal Principles of Design. Rockport.

Chicago Style (17th ed.) Citation

LIDWELL, William, Kritina Holden, and Jill Butler. Universal Principles of Design. Rockport.

MLA (8th ed.) Citation

LIDWELL, William, et al. Universal Principles of Design. Rockport.