APA (7th ed.) Citation

Cole, E. W. (2009). Cole's Funny Picture Book No. 1. Project Gutenberg.

Chicago Style (17th ed.) Citation

Cole, E. W. Cole's Funny Picture Book No. 1. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Cole, E. W. Cole's Funny Picture Book No. 1. Project Gutenberg, 2009.

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