APA (7th ed.) Citation

Leepa, A. (1961). The challenge of modern art. A.S. Barnes.

Chicago Style (17th ed.) Citation

Leepa, Allen. The Challenge of Modern Art. Nueva York: A.S. Barnes, 1961.

MLA (9th ed.) Citation

Leepa, Allen. The Challenge of Modern Art. A.S. Barnes, 1961.