Citazione Stile APA (7a Edizione)

De Blij, H. J. (1977). Human geography: Culture, society, and space. John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

De Blij, Harm Jan. Human Geography: Culture, Society, and Space. New York [i pozostałe]: John Wiley & Sons, 1977.

Citatione MLA (9a ed.)

De Blij, Harm Jan. Human Geography: Culture, Society, and Space. John Wiley & Sons, 1977.