APA

Hutchins J. G. B., . (1941). The American maritime industries and public policy, 1789-1914: an economic history. Cambridge, Mass: Harvard University Press.

Chicago

Hutchins John Greenwood Brown, . 1941. The American maritime industries and public policy, 1789-1914: an economic history. Cambridge, Mass: Harvard University Press.

Harvard

Hutchins J. G. B., . (1941). The American maritime industries and public policy, 1789-1914: an economic history. Cambridge, Mass: Harvard University Press.

MLA

Hutchins John Greenwood Brown, . The American maritime industries and public policy, 1789-1914: an economic history. Cambridge, Mass: Harvard University Press. 1941.