APA (7th ed.) Citation

Seton, E. T. (2000). Animal Heroes. Project Gutenberg.

Chicago Style (17th ed.) Citation

Seton, Ernest Thompson. Animal Heroes. Project Gutenberg, 2000.

MLA (9th ed.) Citation

Seton, Ernest Thompson. Animal Heroes. Project Gutenberg, 2000.

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