APA (7th ed.) Citation

Baum, L. F., Kincaid, L., & Guile, G. (1997). The wizard of oz. Brimax Books.

Chicago Style (17th ed.) Citation

Baum, Lyman Frank, Lucy Kincaid, and Gill Guile. The Wizard of Oz. Newmarket, England: Brimax Books, 1997.

MLA (9th ed.) Citation

Baum, Lyman Frank, et al. The Wizard of Oz. Brimax Books, 1997.