APA (7th ed.) Citation

Soule, G. (1976). The long trail: How cowboys & longhorns opened the West. McGraw-Hill.

Chicago Style (17th ed.) Citation

Soule, Gardner. The Long Trail: How Cowboys & Longhorns Opened the West. New York: McGraw-Hill, 1976.

MLA (9th ed.) Citation

Soule, Gardner. The Long Trail: How Cowboys & Longhorns Opened the West. McGraw-Hill, 1976.