APA (7th ed.) Citation

Itten, J., Birren, F., & Hagen, E. v. (1988). The elements of color. Van Nostrand Reinhold International.

Chicago Style (17th ed.) Citation

Itten, Johannes, Faber Birren, and Ernst van Hagen. The Elements of Color. London: Van Nostrand Reinhold International, 1988.

MLA (9th ed.) Citation

Itten, Johannes, et al. The Elements of Color. Van Nostrand Reinhold International, 1988.