APA (7th ed.) Citation

Raphael, R., & Schelling, G. L. (2009). The Thirst Quenchers. Project Gutenberg.

Chicago Style (17th ed.) Citation

Raphael, Rick, and George Luther Schelling. The Thirst Quenchers. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Raphael, Rick, and George Luther Schelling. The Thirst Quenchers. Project Gutenberg, 2009.

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