APA (7th ed.) Citation

Roberts, J. R. (2010). Showdown in Cheyenne. Berkley Pub Group.

Chicago Style (17th ed.) Citation

Roberts, J. R. Showdown in Cheyenne. Berkley Pub Group, 2010.

MLA (8th ed.) Citation

Roberts, J. R. Showdown in Cheyenne. Berkley Pub Group, 2010.

Warning: These citations may not always be 100% accurate.