APA (7th ed.) Citation

Hulbert, A. B. (1926). The American transcontinental trails.

Chicago Style (17th ed.) Citation

Hulbert, Archer Butler. The American Transcontinental Trails. Colorado Springs, Colo, 1926.

MLA (8th ed.) Citation

Hulbert, Archer Butler. The American Transcontinental Trails. 1926.

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