Cita APA (7a ed.)

Ritchie, A. C. (1952). Sculpture of the Twentieth Century. The Museum of modern art.

Cita Chicago Style (17a ed.)

Ritchie, Andrew Carnduff. Sculpture of the Twentieth Century. New York: The Museum of modern art, 1952.

Cita MLA (9a ed.)

Ritchie, Andrew Carnduff. Sculpture of the Twentieth Century. The Museum of modern art, 1952.