Style de citation APA (7e éd.)

DE BLIJ, H. J. (1970). Geography regions and concepts. John Wiley and Sons.

Style de citation Chicago (17e éd.)

DE BLIJ, Harm J. Geography Regions and Concepts. New York: John Wiley and Sons, 1970.

Style de citation MLA (9e éd.)

DE BLIJ, Harm J. Geography Regions and Concepts. John Wiley and Sons, 1970.