APA

Barr A. H., . (1974). Picasso : fifty years of his art. San Francisco: The Museum of Modern Art.

Chicago

Barr Alfredo H, . 1974. Picasso : fifty years of his art. San Francisco: The Museum of Modern Art.

Harvard

Barr A. H., . (1974). Picasso : fifty years of his art. San Francisco: The Museum of Modern Art.

MLA

Barr Alfredo H, . Picasso : fifty years of his art. San Francisco: The Museum of Modern Art. 1974.