Style de citation APA (7e éd.)

Lanham, U. (1978). The sapphire planet. Columbia University Press.

Style de citation Chicago (17e éd.)

Lanham, Url. The Sapphire Planet. New York: Columbia University Press, 1978.

Style de citation MLA (9e éd.)

Lanham, Url. The Sapphire Planet. Columbia University Press, 1978.