Cita APA (7a ed.)

Opara, E., & Cantwell, J. (2014). Best practices for graphic designers: Color works : an essential guide to understanding and applying color design principles (1st edition.). Rockport Publishers.

Cita Chicago Style (17a ed.)

Opara, Eddie, y John Cantwell. Best Practices for Graphic Designers: Color Works : An Essential Guide to Understanding and Applying Color Design Principles. 1st edition. Beverly, Massachusetts: Rockport Publishers, 2014.

Cita MLA (9a ed.)

Opara, Eddie, y John Cantwell. Best Practices for Graphic Designers: Color Works : An Essential Guide to Understanding and Applying Color Design Principles. 1st edition. Rockport Publishers, 2014.