APA (7th ed.) Citation

Nelson, J. Y., & O'Reilly, H. (1963). Fifty years on the trail: A true story of western life : the adventures of John Young Nelson as described to Harrington O'Reilly (New ed.). University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Nelson, John Young, and Harrington O'Reilly. Fifty Years on the Trail: A True Story of Western Life : The Adventures of John Young Nelson as Described to Harrington O'Reilly. New ed. Norman: University of Oklahoma Press, 1963.

MLA (9th ed.) Citation

Nelson, John Young, and Harrington O'Reilly. Fifty Years on the Trail: A True Story of Western Life : The Adventures of John Young Nelson as Described to Harrington O'Reilly. New ed. University of Oklahoma Press, 1963.