APA (7th ed.) Citation

Barnum, R., & Tooker, H. H. (2007). Tum Tum, the Jolly Elephant His Many Adventures. Project Gutenberg.

Chicago Style (17th ed.) Citation

Barnum, Richard, and Harriet H. Tooker. Tum Tum, the Jolly Elephant His Many Adventures. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Barnum, Richard, and Harriet H. Tooker. Tum Tum, the Jolly Elephant His Many Adventures. Project Gutenberg, 2007.

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