Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Tuchman, Barbara W. The Proud Tower: A Portrait of the World Before the War 1890-1914. MacMillan, 1966.