Itten, J., & Birren, F. (1970). The elements of color: A treatise on the color system of Johannes Itten, based on his book The art of color. New York [[u.a.]: van Nostrand Reinhold Company.
Citação norma ChicagoItten, Johannes, and Faber Birren. The Elements of Color: A Treatise On the Color System of Johannes Itten, Based On His Book The Art of Color. New York [[u.a.]: van Nostrand Reinhold Company, 1970.
Citação norma MLAItten, Johannes, and Faber Birren. The Elements of Color: A Treatise On the Color System of Johannes Itten, Based On His Book The Art of Color. New York [[u.a.]: van Nostrand Reinhold Company, 1970.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.
