Cita APA (7th ed.)

Duncan, O. D. (1961). Statistical geography: Problems in analyzing areal data. Free Press.

Cita Chicago (17th ed.)

Duncan, Otis Dudley. Statistical Geography: Problems in Analyzing Areal Data. Glencoe, Ill: Free Press, 1961.

Cita MLA (9th ed.)

Duncan, Otis Dudley. Statistical Geography: Problems in Analyzing Areal Data. Free Press, 1961.