Cita APA (7a ed.)

West, P. (1964). Robert Penn Warren - American Writers 44: University of Minnesota Pamphlets on American Writers. University of Minnesota Press.

Cita Chicago Style (17a ed.)

West, Paul. Robert Penn Warren - American Writers 44: University of Minnesota Pamphlets on American Writers. Minneapolis, MN: University of Minnesota Press, 1964.

Cita MLA (8a ed.)

West, Paul. Robert Penn Warren - American Writers 44: University of Minnesota Pamphlets on American Writers. University of Minnesota Press, 1964.