Shuman, R. B. (1964). Robert E. Sherwood. Twayne Publishers.
Cita Chicago Style (17a ed.)Shuman, Robert Baird. Robert E. Sherwood. New York: Twayne Publishers, 1964.
Cita MLA (9a ed.)Shuman, Robert Baird. Robert E. Sherwood. Twayne Publishers, 1964.
Precaución: Estas citas no son 100% exactas.