APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Whelan, Bride M. Color Harmony 2: A Guide to Creative Color Combinations. Rockport, Mass.: Rockport Pub, 1994.

MLA (9th ed.) Citation

Whelan, Bride M. Color Harmony 2: A Guide to Creative Color Combinations. 1994.

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