Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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