APA Citation

Carr, E. H. (1964). The twenty yearsʹ crisis, 1919-1939: An introduction to the study of international relations. New York: Harper Torchbooks.

Chicago Style Citation

Carr, Edward Hallett. The Twenty Yearsʹ Crisis, 1919-1939: An Introduction to the Study of International Relations. New York: Harper Torchbooks, 1964.

MLA Citation

Carr, Edward Hallett. The Twenty Yearsʹ Crisis, 1919-1939: An Introduction to the Study of International Relations. New York: Harper Torchbooks, 1964.

Warning: These citations may not always be 100% accurate.