APA Style
Carr, Edward Hallet. (2001).
The Twenty Years' Crisis 1919-1939 : an introduction to the study of international relations .
New York:
Perennial.
Chicago Style
Carr, Edward Hallet.
The Twenty Years' Crisis 1919-1939 : an introduction to the study of international relations.
New York:
Perennial,
2001.
Text.
MLA Style
Carr, Edward Hallet.
The Twenty Years' Crisis 1919-1939 : an introduction to the study of international relations.
New York:
Perennial,
2001.
Text.
Turabian Style
Carr, Edward Hallet.
The Twenty Years' Crisis 1919-1939 : an introduction to the study of international relations.
New York:
Perennial,
2001.
Print.