Brandenburger Tor Weltfrage

MLA

Penck, A.R. Brandenburger Tor Weltfrage. New York: The Museum of Modern Art, 1982.

APA

Penck, A. (1982). Brandenburger Tor Weltfrage. New York: The Museum of Modern Art.

Chicago

Penck, A.R Brandenburger Tor Weltfrage. New York: The Museum of Modern Art, 1982.