Cita APA (7a ed.)

Wilson, W. (1917). Why we are at war. Messages to the Congress. Harper and Brothers Publishers.

Cita Chicago Style (17a ed.)

Wilson, Woodrow. Why We Are at War. Messages to the Congress. New York: Harper and Brothers Publishers, 1917.

Cita MLA (8a ed.)

Wilson, Woodrow. Why We Are at War. Messages to the Congress. Harper and Brothers Publishers, 1917.