APA (7th ed.) Citation

Hulbert, A. B. (2011). The Niagara River. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hulbert, Archer Butler. The Niagara River. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Hulbert, Archer Butler. The Niagara River. Project Gutenberg, 2011.

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