APA (7th ed.) Citation

Onions, O. (2012). Mushroom Town. Project Gutenberg.

Chicago Style (17th ed.) Citation

Onions, Oliver. Mushroom Town. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Onions, Oliver. Mushroom Town. Project Gutenberg, 2012.

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