Cita APA

Churchill, W. S. (1937). The world crisis 1911-1918 Thornton Butterworth.

Citación estilo Chicago

Churchill, Winston S. The World Crisis 1911-1918. 3a. ed. London: Thornton Butterworth, 1937.

Cita MLA

Churchill, Winston S. The World Crisis 1911-1918. 3a. ed. London: Thornton Butterworth, 1937.