APA (7th ed.) Citation

Hulbert, A. B. (2012). Historic Highways of America (Vol. 6) Boone's Wilderness Road. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hulbert, Archer Butler. Historic Highways of America (Vol. 6) Boone's Wilderness Road. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Hulbert, Archer Butler. Historic Highways of America (Vol. 6) Boone's Wilderness Road. Project Gutenberg, 2012.

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