APA (7th ed.) Citation

Hutton, H. (1978). Vigilante days: Frontier justice along the Niobrara. Sage Books.

Chicago Style (17th ed.) Citation

Hutton, Harold. Vigilante Days: Frontier Justice Along the Niobrara. Chicago: Sage Books, 1978.

MLA (9th ed.) Citation

Hutton, Harold. Vigilante Days: Frontier Justice Along the Niobrara. Sage Books, 1978.

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