APA (7th ed.) Citation

Schauffler, R. H. (2006). The Joyful Heart. Project Gutenberg.

Chicago Style (17th ed.) Citation

Schauffler, Robert Haven. The Joyful Heart. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Schauffler, Robert Haven. The Joyful Heart. Project Gutenberg, 2006.

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