Cita APA (7a ed.)

Kuiper, G. P. (1954). The Earth as a Planet. University of Chicago Press.

Cita Chicago Style (17a ed.)

Kuiper, Gerard P. The Earth as a Planet. Chicago: University of Chicago Press, 1954.

Cita MLA (9a ed.)

Kuiper, Gerard P. The Earth as a Planet. University of Chicago Press, 1954.