Tyler, A. F. (1944). Freedom's ferment: Phases of American social history to 1860. University of Minnesota press.
Cita Chicago (17th ed.)Tyler, Alice Felt. Freedom's Ferment: Phases of American Social History to 1860. Minneapolis: University of Minnesota press, 1944.
Cita MLA (9th ed.)Tyler, Alice Felt. Freedom's Ferment: Phases of American Social History to 1860. University of Minnesota press, 1944.
Atenció: Aquestes cites poden no estar 100% correctes.