APA (7th ed.) Citation

Baum, L. F., & Neill, J. R. (2008). Little Wizard Stories of Oz. Project Gutenberg.

Chicago Style (17th ed.) Citation

Baum, L. Frank, and John R. Neill. Little Wizard Stories of Oz. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Baum, L. Frank, and John R. Neill. Little Wizard Stories of Oz. Project Gutenberg, 2008.

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