Cita APA (7th ed.)

Calder, R. (1961). After the seventh day: The world man created. Simon and Schuster.

Cita Chicago (17th ed.)

Calder, Ritchie. After the Seventh Day: The World Man Created. New York: Simon and Schuster, 1961.

Cita MLA (9th ed.)

Calder, Ritchie. After the Seventh Day: The World Man Created. Simon and Schuster, 1961.