MLA

Armstrong, R, and R Marshall. New Sculpture 1965-75 (the); Between Geometry and Gesture. New York: Whitney Museum, 1990.

APA

Armstrong, R., & Marshall, R. (1990). New sculpture 1965-75 (the); between geometry and gesture. New York: Whitney Museum.

Chicago

Armstrong, R., and R Marshall. New Sculpture 1965-75 (the); Between Geometry and Gesture. New York: Whitney Museum, 1990.