Cita APA (7a ed.)

Wilder, T. (1967). The eighth day. Harper & Row.

Cita Chicago Style (17a ed.)

Wilder, Thorton. The Eighth Day. New York, Estados Unidos: Harper & Row, 1967.

Cita MLA (9a ed.)

Wilder, Thorton. The Eighth Day. Harper & Row, 1967.