APA (7e ed.) Bronvermelding

Ritchie, A. C. (1952). Sculpture of the twentieth century.

Chicago (17e ed.) Bronvermelding

Ritchie, Andrew Carnduff. Sculpture of the Twentieth Century. New York, 1952.

MLA (8e ed.) Bronvermelding

Ritchie, Andrew Carnduff. Sculpture of the Twentieth Century. 1952.