Cita APA (7a ed.)

Clark, W. B. (2015). The American Vision of Robert Penn Warren. The University Press of Kentucky.

Cita Chicago Style (17a ed.)

Clark, William Bedford. The American Vision of Robert Penn Warren. Lexington: The University Press of Kentucky, 2015.

Cita MLA (8a ed.)

Clark, William Bedford. The American Vision of Robert Penn Warren. The University Press of Kentucky, 2015.