Robert Ryman : New Paintings.

MLA

Bois, Yve-Alain. Robert Ryman : New Paintings. New York: The Pace Gallery, 1990.

APA

Bois, Y. (1990). Robert Ryman : New Paintings. New York: The Pace Gallery.

Chicago

Bois, Yve-Alain Robert Ryman: New Paintings. New York: The Pace Gallery, 1990.