APA (7th ed.) Citation

Whipple, F. L. (1981). Orbiting the sun: Planets and satellites of the solar system. Harvard University Press.

Chicago Style (17th ed.) Citation

Whipple, Fred L. Orbiting the Sun: Planets and Satellites of the Solar System. Cambridge, Mass.: Harvard University Press, 1981.

MLA (9th ed.) Citation

Whipple, Fred L. Orbiting the Sun: Planets and Satellites of the Solar System. Harvard University Press, 1981.