APA (7th ed.) Citation

Baum, L. F., Riordan, J., & Ambrus, V. G. (1999). The wizard of Oz. Oxford University Press.

Chicago Style (17th ed.) Citation

Baum, Lyman Frank, James Riordan, and Victor G. Ambrus. The Wizard of Oz. Oxford [England]: Oxford University Press, 1999.

MLA (9th ed.) Citation

Baum, Lyman Frank, et al. The Wizard of Oz. Oxford University Press, 1999.