APA (7th ed.) Citation

Baum, L. F., & Neill, J. R. (1981). Ozma of Oz (2. Print.). Ballantine Books.

Chicago Style (17th ed.) Citation

Baum, L. Frank, and John Rea Neill. Ozma of Oz. 2. Print. New York: Ballantine Books, 1981.

MLA (9th ed.) Citation

Baum, L. Frank, and John Rea Neill. Ozma of Oz. 2. Print. Ballantine Books, 1981.