Gaya APA

Hartmann, W, K. (1972). Moons and planets: an introduction to planetary science . New York: Bodgen &Quigley, Inc. Pub..

Gaya MLA

Hartmann, William, K.. "Moons and planets: an introduction to planetary science". New York: Bodgen &Quigley, Inc. Pub., 1972. Printed Book.