Cita APA (7th ed.)

Murphy, P. L. (1979). World War I and the origin of civil liberties in the United States. Norton.

Cita Chicago (17th ed.)

Murphy, Paul L. World War I and the Origin of Civil Liberties in the United States. New York: Norton, 1979.

Cita MLA (9th ed.)

Murphy, Paul L. World War I and the Origin of Civil Liberties in the United States. Norton, 1979.