APA (7th ed.) Citation

Roberts, R., & Olson, J. S. (1995). John Wayne, American. Free Press.

Chicago Style (17th ed.) Citation

Roberts, Randy, and James Stuart Olson. John Wayne, American. New York [u.a.]: Free Press, 1995.

MLA (9th ed.) Citation

Roberts, Randy, and James Stuart Olson. John Wayne, American. Free Press, 1995.