United States Capitol Historical Society, ebrary, Inc, Finkelman, P., & Kennon, D. R. (2010). In the shadow of freedom: The politics of slavery in the national capital. Published for the United States Capitol Historical Society by Ohio University Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States Capitol Historical Society, Inc ebrary, Paul Finkelman, và Donald R. Kennon. In the Shadow of Freedom: The Politics of Slavery in the National Capital. Athens: Published for the United States Capitol Historical Society by Ohio University Press, 2010.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)United States Capitol Historical Society, et al. In the Shadow of Freedom: The Politics of Slavery in the National Capital. Published for the United States Capitol Historical Society by Ohio University Press, 2010.