Gaya APA

Davidson, J, W, E, A. (2004). Nation of nations : a concise narrative of the American Republic II since 1865 (fifth edition) . United States: McGraw-Hill.

Gaya MLA

Davidson, James, West, Et, Al.. "Nation of nations : a concise narrative of the American Republic II since 1865 (fifth edition)". United States: McGraw-Hill, 2004. Compact Disk.