APA (7th ed.) Citation

Guinn, J., Schreyvogel, C., Russell, C. M., & Remington, F. (1966). The red man's last struggle. Denver Post.

Chicago Style (17th ed.) Citation

Guinn, Jack, Charles Schreyvogel, Charles M. Russell, and Frederic Remington. The Red Man's Last Struggle. Denver, Col: Denver Post, 1966.

MLA (9th ed.) Citation

Guinn, Jack, et al. The Red Man's Last Struggle. Denver Post, 1966.