Opara, E., & Cantwell, J. Best practices for graphic designers: Color works: an essential guide to understanding and applying color design principles.
Chicago Style (17th ed.) CitationOpara, Eddie, and John Cantwell. Best Practices for Graphic Designers: Color Works: An Essential Guide to Understanding and Applying Color Design Principles.
MLA (8th ed.) CitationOpara, Eddie, and John Cantwell. Best Practices for Graphic Designers: Color Works: An Essential Guide to Understanding and Applying Color Design Principles.
Warning: These citations may not always be 100% accurate.