Robert Barry - Douglas Huebler - Joseph Kosuth - Lawrence Weiner.

MLA

Robert Barry - Douglas Huebler - Joseph Kosuth - Lawrence Weiner. New York: Seth Siegelaub, 1969.

APA

(1969). Robert Barry - Douglas Huebler - Joseph Kosuth - Lawrence Weiner. New York: Seth Siegelaub.

Chicago

Robert Barry - Douglas Huebler - Joseph Kosuth - Lawrence Weiner. New York: Seth Siegelaub, 1969.