APA (7th ed.) Citation

Baum, L. F. (2008). Mary Louise Solves a Mystery. Project Gutenberg.

Chicago Style (17th ed.) Citation

Baum, L. Frank. Mary Louise Solves a Mystery. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Baum, L. Frank. Mary Louise Solves a Mystery. Project Gutenberg, 2008.

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