APA (7th ed.) Citation

Whipple, F. L. (1969). Earth, moon, and planets (3rd ed.). Harvard University Press.

Chicago Style (17th ed.) Citation

Whipple, Fred Lawrence. Earth, Moon, and Planets. 3rd ed. Cambridge, Mass.: Harvard University Press, 1969.

MLA (9th ed.) Citation

Whipple, Fred Lawrence. Earth, Moon, and Planets. 3rd ed. Harvard University Press, 1969.