Etant donnés, 1. la chute d'eau, 2. le gaz d'éclairage :
reflections on a new work by Marcel Duchamp /
by Anne d'Harnoncourt and Walter Hopps.

APA Citation

D'Harnoncourt, A., Hopps, W., Philadelphia Museum of Art. (1987). Etant donnés, 1. la chute d'eau, 2. le gaz d'éclairage: reflections on a new work by Marcel Duchamp. Philadelphia: Philadelphia Museum of Art.

MLA Citation

D'Harnoncourt, Anne, 1943-, Walter Hopps, and Philadelphia Museum of Art. Etant Donnés, 1. La Chute D'eau, 2. Le Gaz D'éclairage: Reflections On a New Work by Marcel Duchamp. Philadelphia: Philadelphia Museum of Art, 1987.

Warning: These citations may not always be complete (especially for serials).