APA (7th ed.) Citation

Whipple, F. L. (1963). Earth, moon, and planets (rev. ed.). Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Whipple, Fred L. Earth, Moon, and Planets. rev. ed. Cambridge, Mass: Harvard Univ. Press, 1963.

MLA (9th ed.) Citation

Whipple, Fred L. Earth, Moon, and Planets. rev. ed. Harvard Univ. Press, 1963.