APA (7th ed.) Citation

Greenberg, M. H., Waugh, C., & Asimov, I. (1984). Witches.

Chicago Style (17th ed.) Citation

Greenberg, Martin Harry, Charles Waugh, and Isaac Asimov. Witches. New York: bNew American Library, 1984.

MLA (9th ed.) Citation

Greenberg, Martin Harry, et al. Witches. 1984.