APA (7th ed.) Citation

Freeman, O. L., & Frome, M. (1968). The national forests of America. Putnam.

Chicago Style (17th ed.) Citation

Freeman, Orville L., and Michael Frome. The National Forests of America. New York: Putnam, 1968.

MLA (9th ed.) Citation

Freeman, Orville L., and Michael Frome. The National Forests of America. Putnam, 1968.