APA (7th ed.) Citation

Leupp, F. E. (1971). The Indian and his problem. Arno Press.

Chicago Style (17th ed.) Citation

Leupp, Francis E. The Indian and His Problem. New York: Arno Press, 1971.

MLA (9th ed.) Citation

Leupp, Francis E. The Indian and His Problem. Arno Press, 1971.