APA (7th ed.) Citation

Adams, R. F., Britzman, H. E., & Yost, K. (1948). Charles M. Russell, the cowboy artist, a biography. Trail's End Pub. Co.

Chicago Style (17th ed.) Citation

Adams, Ramon Frederick, Homer Elwood Britzman, and Karl Yost. Charles M. Russell, the Cowboy Artist, a Biography. Pasadena, Calif: Trail's End Pub. Co, 1948.

MLA (9th ed.) Citation

Adams, Ramon Frederick, et al. Charles M. Russell, the Cowboy Artist, a Biography. Trail's End Pub. Co, 1948.