APA (7th ed.) Citation

Harper, F. (1945). Extinct and vanishing mammals of the old world. American committee for international wild life protection.

Chicago Style (17th ed.) Citation

Harper, Francis. Extinct and Vanishing Mammals of the Old World. New York: American committee for international wild life protection, 1945.

MLA (9th ed.) Citation

Harper, Francis. Extinct and Vanishing Mammals of the Old World. American committee for international wild life protection, 1945.