APA (7th ed.) Citation

Hulbert, A. B. Portage Paths: The Keys of the Continent.

Chicago Style (17th ed.) Citation

Hulbert, Archer Butler. Portage Paths: The Keys of the Continent.

MLA (9th ed.) Citation

Hulbert, Archer Butler. Portage Paths: The Keys of the Continent.

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