Cita APA

Wilson, W. (1917). Why we are at war: Messages to the congress january to april 1917. Harper.

Citación estilo Chicago

Wilson, Woodrow. Why We Are At War: Messages to the Congress January to April 1917. New York: Harper, 1917.

Cita MLA

Wilson, Woodrow. Why We Are At War: Messages to the Congress January to April 1917. New York: Harper, 1917.

Precaución: Estas citas no son 100% exactas.