APA (7th ed.) Citation

Delaunay, R., & Delaunay, S. (1978). The new art of colour : the writings of Robert and Sonia Delaunay: The writings of Robert and Sonia Delaunay. Viking Press.

Chicago Style (17th ed.) Citation

Delaunay, Robert, and Sonia Delaunay. The New Art of Colour : The Writings of Robert and Sonia Delaunay: The Writings of Robert and Sonia Delaunay. New York: Viking Press, 1978.

MLA (9th ed.) Citation

Delaunay, Robert, and Sonia Delaunay. The New Art of Colour : The Writings of Robert and Sonia Delaunay: The Writings of Robert and Sonia Delaunay. Viking Press, 1978.

Warning: These citations may not always be 100% accurate.