APA (7th ed.) Citation

Walton, G. L. (2005). Why Worry? Project Gutenberg.

Chicago Style (17th ed.) Citation

Walton, George Lincoln. Why Worry? Project Gutenberg, 2005.

MLA (9th ed.) Citation

Walton, George Lincoln. Why Worry? Project Gutenberg, 2005.

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