Field, R. M. (1936). Natural resources of the United States: A basis for economic geography. Barnes & Noble inc..
Chicago Style (17th ed.) CitationField, Richard M. Natural Resources of the United States: A Basis for Economic Geography. New York: Barnes & Noble inc., 1936.
MLA (9th ed.) CitationField, Richard M. Natural Resources of the United States: A Basis for Economic Geography. Barnes & Noble inc., 1936.
Warning: These citations may not always be 100% accurate.