APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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