Cita APA (7a ed.)

Gordon, E. (1966). Mark Twain. Crowell-Coller ; Collier-MacMillan.

Cita Chicago Style (17a ed.)

Gordon, Edwin. Mark Twain. New York : London: Crowell-Coller ; Collier-MacMillan, 1966.

Cita MLA (9a ed.)

Gordon, Edwin. Mark Twain. Crowell-Coller ; Collier-MacMillan, 1966.