APA (7th ed.) Citation

Motherwell, R., Ashton, D., & Banach, J. (2007). The writings of Robert Motherwell. University of California Press.

Chicago Style (17th ed.) Citation

Motherwell, Robert, Dore Ashton, and Joan Banach. The Writings of Robert Motherwell. Berkeley: University of California Press, 2007.

MLA (9th ed.) Citation

Motherwell, Robert, et al. The Writings of Robert Motherwell. University of California Press, 2007.