APA (7th ed.) Citation

Seton, E. T. (2008). The Biography of a Grizzly. Project Gutenberg.

Chicago Style (17th ed.) Citation

Seton, Ernest Thompson. The Biography of a Grizzly. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Seton, Ernest Thompson. The Biography of a Grizzly. Project Gutenberg, 2008.

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