O'Hara, F., & Motherwell, R. (1965). Robert Motherwell: With selections from the artist's writings. The Museum of Modern Art.
Chicago Style (17th ed.) ZitazioaO'Hara, Frank, eta Robert Motherwell. Robert Motherwell: With Selections from the Artist's Writings. New York: The Museum of Modern Art, 1965.
MLA (9th ed.) ZitazioaO'Hara, Frank, eta Robert Motherwell. Robert Motherwell: With Selections from the Artist's Writings. The Museum of Modern Art, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.