APA (7th ed.) Citation

WHELAN, B. M. (1994). Color harmony 2: A guide to creative color combinations. Rockport Publishers.

Chicago Style (17th ed.) Citation

WHELAN, Bride M. Color Harmony 2: A Guide to Creative Color Combinations. Rockport Publishers, 1994.

MLA (8th ed.) Citation

WHELAN, Bride M. Color Harmony 2: A Guide to Creative Color Combinations. Rockport Publishers, 1994.

Warning: These citations may not always be 100% accurate.