APA (7th ed.) Citation

Yeomans, D. K., & Davis, D. (1989). The distant planets. Facts on File.

Chicago Style (17th ed.) Citation

Yeomans, Donald K., and Don Davis. The Distant Planets. New York: Facts on File, 1989.

MLA (9th ed.) Citation

Yeomans, Donald K., and Don Davis. The Distant Planets. Facts on File, 1989.