APA

Tuchman B. W, . (1989). The proud power: A portrait of the world before the war 1890 — 1914. N.-Y: Bantam books.

Chicago

Tuchman B. W, . 1989. The proud power: A portrait of the world before the war 1890 — 1914. N.-Y: Bantam books.

Harvard

Tuchman B. W, . (1989). The proud power: A portrait of the world before the war 1890 — 1914. N.-Y: Bantam books.

MLA

Tuchman B. W, . The proud power: A portrait of the world before the war 1890 — 1914. N.-Y: Bantam books. 1989.