Untamed : : the autobiography of the circus's greatest animal trainer.

MLA

Gebel Williams, Gunther, and Toni Reinhold. Untamed : the Autobiography of the Circus's Greatest Animal Trainer. New York: Morrow, 1991.

APA

Gebel Williams, G., & Reinhold, T. (1991). Untamed : the autobiography of the circus's greatest animal trainer. New York: Morrow.

Chicago

Gebel Williams, Gunther, and Toni Reinhold. Untamed: The Autobiography of the Circus's Greatest Animal Trainer. New York: Morrow, 1991.