Cita APA (7a ed.)

Tuchman, B. (1966). The Proud tower: A portrait of the world before the war 1890-1914. Macmillan.

Cita Chicago Style (17a ed.)

Tuchman, Barbar. The Proud Tower: A Portrait of the World Before the War 1890-1914. New York: Macmillan, 1966.

Cita MLA (9a ed.)

Tuchman, Barbar. The Proud Tower: A Portrait of the World Before the War 1890-1914. Macmillan, 1966.