APA

Whitney Museum of American Art, Cummings P., . (1987). 20th century drawings from the Whitney Museum of American Art. New York: Whitney Museum of American Art.

Chicago

Whitney Museum of American Art, Cummings Paul, . 1987. 20th century drawings from the Whitney Museum of American Art. New York: Whitney Museum of American Art.

Harvard

Whitney Museum of American Art, Cummings P., . (1987). 20th century drawings from the Whitney Museum of American Art. New York: Whitney Museum of American Art.

MLA

Whitney Museum of American Art, Cummings Paul, . 20th century drawings from the Whitney Museum of American Art. New York: Whitney Museum of American Art. 1987.