APA (7th ed.) Citation

Younger, C. (1955). The story of Cole Younger. Frontier Press of Texas.

Chicago Style (17th ed.) Citation

Younger, Cole. The Story of Cole Younger. Houston, Tex.: Frontier Press of Texas, 1955.

MLA (9th ed.) Citation

Younger, Cole. The Story of Cole Younger. Frontier Press of Texas, 1955.

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