APA

Manning C. A., . (1951). Twentieth-century Ukraine. New York: Bookman Associates.

Chicago

Manning Clarence Augustus, . 1951. Twentieth-century Ukraine. New York: Bookman Associates.

Harvard

Manning C. A., . (1951). Twentieth-century Ukraine. New York: Bookman Associates.

MLA

Manning Clarence Augustus, . Twentieth-century Ukraine. New York: Bookman Associates. 1951.