APA-Zitierstil (7. Ausg.)

Ward, H. (1980). World powers in the Twentieth Century (1. publ., reprinted with anmendments.). British Broadcasting Corp.

Chicago-Zitierstil (17. Ausg.)

Ward, Harriet. World Powers in the Twentieth Century. 1. publ., reprinted with anmendments. London: British Broadcasting Corp, 1980.

MLA-Zitierstil (9. Ausg.)

Ward, Harriet. World Powers in the Twentieth Century. 1. publ., reprinted with anmendments. British Broadcasting Corp, 1980.