Cita APA (7a ed.)

Nakadate, N. (1977). Robert Penn Warren: A reference guide. G.K. Hall & Co.

Cita Chicago Style (17a ed.)

Nakadate, Neil. Robert Penn Warren: A Reference Guide. Boston, Estados Unidos: G.K. Hall & Co, 1977.

Cita MLA (9a ed.)

Nakadate, Neil. Robert Penn Warren: A Reference Guide. G.K. Hall & Co, 1977.