APA

(1963). The natural resource content of United States foreign trade, 1870-1955. Cambridge: M.I.T. Press.

Chicago

1963. The natural resource content of United States foreign trade, 1870-1955. Cambridge: M.I.T. Press.

Harvard

(1963). The natural resource content of United States foreign trade, 1870-1955. Cambridge: M.I.T. Press.

MLA

The natural resource content of United States foreign trade, 1870-1955. Cambridge: M.I.T. Press. 1963.