Cita APA (7th ed.)

Margo, R. A. (2000). Wages and labor markets in the United States, 1820-1860. University of Chicago Press.

Cita Chicago (17th ed.)

Margo, Robert A. Wages and Labor Markets in the United States, 1820-1860. Chicago: University of Chicago Press, 2000.

Cita MLA (9th ed.)

Margo, Robert A. Wages and Labor Markets in the United States, 1820-1860. University of Chicago Press, 2000.