APA (7th ed.) Citation

Powell, W. P. (1997). Understanding color. Walter Foster Publishing,Inc..

Chicago Style (17th ed.) Citation

Powell, William P. Understanding Color. California: Walter Foster Publishing,Inc., 1997.

MLA (9th ed.) Citation

Powell, William P. Understanding Color. Walter Foster Publishing,Inc., 1997.

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