APA (7th ed.) Citation

Gould, C. (2012). Mythical Monsters. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gould, Charles. Mythical Monsters. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Gould, Charles. Mythical Monsters. Project Gutenberg, 2012.

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