APA (7th ed.) Citation

Itten, J. (1970). The elements of color: A treatise on the color system of Johannes Itten based on his book The Art of Color. Van Nostrand.

Chicago Style (17th ed.) Citation

Itten, Johannes. The Elements of Color: A Treatise on the Color System of Johannes Itten Based on His Book The Art of Color. New York: Van Nostrand, 1970.

MLA (9th ed.) Citation

Itten, Johannes. The Elements of Color: A Treatise on the Color System of Johannes Itten Based on His Book The Art of Color. Van Nostrand, 1970.