APA (7th ed.) Zitazioa

Schorer, M. (1961). Sinclair Lewis: An american life. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Schorer, Mark. Sinclair Lewis: An American Life. Nueva York: McGraw-Hill, 1961.

MLA (9th ed.) Zitazioa

Schorer, Mark. Sinclair Lewis: An American Life. McGraw-Hill, 1961.