APA

North D. C., Thomas R. P., . (1968). The growth of the American economy to 1860. New York: Harper & Row.

Chicago

North Douglass Cecil, Thomas Robert Paul, . 1968. The growth of the American economy to 1860. New York: Harper & Row.

Harvard

North D. C., Thomas R. P., . (1968). The growth of the American economy to 1860. New York: Harper & Row.

MLA

North Douglass Cecil, Thomas Robert Paul, . The growth of the American economy to 1860. New York: Harper & Row. 1968.