Cita APA (7th ed.)

Twain, M., & DeVoto, B. (1965). The portable. The Viking Press.

Cita Chicago (17th ed.)

Twain, Mark, i Bernard DeVoto. The Portable. New York: The Viking Press, 1965.

Cita MLA (9th ed.)

Twain, Mark, i Bernard DeVoto. The Portable. The Viking Press, 1965.