Whittlesey, D. S. (1944). The earth and the state: A study of political geography (1944 Edition.). Holt.
Chicago-Zitierstil (17. Ausg.)Whittlesey, Derwent Stainthorpe. The Earth and the State: A Study of Political Geography. 1944 Edition. New York: Holt, 1944.
MLA-Zitierstil (9. Ausg.)Whittlesey, Derwent Stainthorpe. The Earth and the State: A Study of Political Geography. 1944 Edition. Holt, 1944.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.