APA (7th ed.) Citation

Story, R., & Greenwell, J. R. (1981). UFOs and the limits of science (1st U.S. ed.). Morrow.

Chicago Style (17th ed.) Citation

Story, Ronald, and J. Richard Greenwell. UFOs and the Limits of Science. 1st U.S. ed. New York: Morrow, 1981.

MLA (9th ed.) Citation

Story, Ronald, and J. Richard Greenwell. UFOs and the Limits of Science. 1st U.S. ed. Morrow, 1981.