APA (7th ed.) Citation

Greenaway, K. (2010). The 3 Little Kittens. Project Gutenberg.

Chicago Style (17th ed.) Citation

Greenaway, Kate. The 3 Little Kittens. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Greenaway, Kate. The 3 Little Kittens. Project Gutenberg, 2010.

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