Cita APA (7th ed.)

De Blij, H. J. (1999). Human geography: Culture, society, and space (6th ed.). John Wiley and Sons.

Cita Chicago (17th ed.)

De Blij, Harm J. Human Geography: Culture, Society, and Space. 6th ed. New York: John Wiley and Sons, 1999.

Cita MLA (9th ed.)

De Blij, Harm J. Human Geography: Culture, Society, and Space. 6th ed. John Wiley and Sons, 1999.