APA (7th ed.) Citation

Francis, J. G. (2009). A Book of Cheerful Cats and Other Animated Animals. Project Gutenberg.

Chicago Style (17th ed.) Citation

Francis, J. G. A Book of Cheerful Cats and Other Animated Animals. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Francis, J. G. A Book of Cheerful Cats and Other Animated Animals. Project Gutenberg, 2009.

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