APA (7th ed.) Citation

Ball, F. K., & Blaisdell, A. F. (2010). Hero Stories from American History For Elementary Schools. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ball, Francis Kingsley, and Albert F. Blaisdell. Hero Stories from American History For Elementary Schools. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Ball, Francis Kingsley, and Albert F. Blaisdell. Hero Stories from American History For Elementary Schools. Project Gutenberg, 2010.

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