Cita APA (7th ed.)
Whittlesey, D. S. (1944). The earth and the state: A study of political geography. Henry Holt and Company.
Cita Chicago (17th ed.)
Whittlesey, Derwent Stainthorpe. The Earth and the State: A Study of Political Geography. New York: Henry Holt and Company, 1944.
Cita MLA (9th ed.)
Whittlesey, Derwent Stainthorpe. The Earth and the State: A Study of Political Geography. Henry Holt and Company, 1944.
Atenció: Aquestes cites poden no estar 100% correctes.