APA (7th ed.) Citation

Grinnell, G. B. (1911). Trails of the pathfinders. C. Scribner's Sons.

Chicago Style (17th ed.) Citation

Grinnell, George Bird. Trails of the Pathfinders. New York: C. Scribner's Sons, 1911.

MLA (8th ed.) Citation

Grinnell, George Bird. Trails of the Pathfinders. C. Scribner's Sons, 1911.

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