APA Format

16974. (Macmillan, New York 1939). The Twenty Years Crisis 1919-1939 : An Introduction To The Study Of International Relations. :

MLA Format

16974. The Twenty Years Crisis 1919-1939 : An Introduction To The Study Of International Relations. : , Macmillan, New York 1939

Chicago Format

16974. The Twenty Years Crisis 1919-1939 : An Introduction To The Study Of International Relations. : , Macmillan, New York 1939

Australian/Harvard Format

16974. Macmillan, New York 1939. The Twenty Years Crisis 1919-1939 : An Introduction To The Study Of International Relations.