APA (7th ed.) Citation

Heine, F. R., Cooley, J., & Cobb, G. C. (2013). The Jumble Book of Rhymes Recited by the Jumbler. Project Gutenberg.

Chicago Style (17th ed.) Citation

Heine, Frank R., Jack Cooley, and G. C. Cobb. The Jumble Book of Rhymes Recited by the Jumbler. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Heine, Frank R., et al. The Jumble Book of Rhymes Recited by the Jumbler. Project Gutenberg, 2013.

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