APA (7th ed.) Citation

Churchill, E. R. (1972). The McCartys; they rode with Butch Cassidy. Timberline Books.

Chicago Style (17th ed.) Citation

Churchill, E. Richard. The McCartys; They Rode with Butch Cassidy. Leadville, Colo.: Timberline Books, 1972.

MLA (9th ed.) Citation

Churchill, E. Richard. The McCartys; They Rode with Butch Cassidy. Timberline Books, 1972.