Cita APA (7th ed.)

Wetzel, D. (2012). A duel of nations: Germany, France, and the diplomacy of the War of 1870-1871. University of Wisconsin Press.

Cita Chicago (17th ed.)

Wetzel, David. A Duel of Nations: Germany, France, and the Diplomacy of the War of 1870-1871. Madison: University of Wisconsin Press, 2012.

Cita MLA (9th ed.)

Wetzel, David. A Duel of Nations: Germany, France, and the Diplomacy of the War of 1870-1871. University of Wisconsin Press, 2012.