APA (7th ed.) Citation

Ekirch, A. A. (1963). Man and nature in America. Columbia University Press.

Chicago Style (17th ed.) Citation

Ekirch, Arthur Alphonse. Man and Nature in America. New York: Columbia University Press, 1963.

MLA (9th ed.) Citation

Ekirch, Arthur Alphonse. Man and Nature in America. Columbia University Press, 1963.