APA (7th ed.) Citation

Project Gutenberg & Baum, L. F. (1993). The Wonderful Wizard of Oz. Project Gutenberg Literary Archive Foundation.

Chicago Style (17th ed.) Citation

Project Gutenberg and L. Frank Baum. The Wonderful Wizard of Oz. Salt Lake City: Project Gutenberg Literary Archive Foundation, 1993.

MLA (9th ed.) Citation

Project Gutenberg and L. Frank Baum. The Wonderful Wizard of Oz. Project Gutenberg Literary Archive Foundation, 1993.

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