APA (7th ed.) Citation

Gascoigne, J., & Baum, L. F. The wonderful wizard of Oz (First published.).

Chicago Style (17th ed.) Citation

Gascoigne, Jennifer, and L. Frank Baum. The Wonderful Wizard of Oz. First published. [London].

MLA (9th ed.) Citation

Gascoigne, Jennifer, and L. Frank Baum. The Wonderful Wizard of Oz. First published.

Warning: These citations may not always be 100% accurate.