APA (7th ed.) Citation

Stratemeyer, E. (2007). American Boy's Life of Theodore Roosevelt. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stratemeyer, Edward. American Boy's Life of Theodore Roosevelt. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Stratemeyer, Edward. American Boy's Life of Theodore Roosevelt. Project Gutenberg, 2007.

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