APA (7th ed.) Citation

Johnson, O. W., & Russell, C. M. (1960). Bears in the Rockies. Johnson.

Chicago Style (17th ed.) Citation

Johnson, Olga Weydemeyer, and Charles M. Russell. Bears in the Rockies. Libby, Montana: Johnson, 1960.

MLA (9th ed.) Citation

Johnson, Olga Weydemeyer, and Charles M. Russell. Bears in the Rockies. Johnson, 1960.