APA (7th ed.) Citation

Rockport Publishers. (1989). Color sourcebook: A complete guide to using color in patterns. Rockport Pub.

Chicago Style (17th ed.) Citation

Rockport Publishers. Color Sourcebook: A Complete Guide to Using Color in Patterns. Rockport, Mass: Rockport Pub, 1989.

MLA (9th ed.) Citation

Rockport Publishers. Color Sourcebook: A Complete Guide to Using Color in Patterns. Rockport Pub, 1989.