Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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