APA (7th ed.) Citation

Duffield, J. W. (1915). Bert Wilson in the Rockies. Sully and Kleinteich.

Chicago Style (17th ed.) Citation

Duffield, J. W. Bert Wilson in the Rockies. New York: Sully and Kleinteich, 1915.

MLA (9th ed.) Citation

Duffield, J. W. Bert Wilson in the Rockies. Sully and Kleinteich, 1915.