APA-Zitierstil (7. Ausg.)

Eckstein, H. W. (1991). Color in the 21st century: A practical guide for graphic designers, photographers, printers, separators, and anyone involved in color printing. Watson-Guptill Publications.

Chicago-Zitierstil (17. Ausg.)

Eckstein, Helene W. Color in the 21st Century: A Practical Guide for Graphic Designers, Photographers, Printers, Separators, and Anyone Involved in Color Printing. New York: Watson-Guptill Publications, 1991.

MLA-Zitierstil (8. Ausg.)

Eckstein, Helene W. Color in the 21st Century: A Practical Guide for Graphic Designers, Photographers, Printers, Separators, and Anyone Involved in Color Printing. Watson-Guptill Publications, 1991.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.