APA (7th ed.) Citation

Baum, L. F. (2007). The Emerald City of Oz. Project Gutenberg.

Chicago Style (17th ed.) Citation

Baum, L. Frank. The Emerald City of Oz. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Baum, L. Frank. The Emerald City of Oz. Project Gutenberg, 2007.

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