Citazione Stile APA (7a Edizione)

Hudson, F. S. (1976). A geography of settlements (2nd ed.). Macdonald & Evans.

Citazione stile Chigago Style (17a edizione)

Hudson, Fred Stansfield. A Geography of Settlements. 2nd ed. [London]: Macdonald & Evans, 1976.

Citatione MLA (9a ed.)

Hudson, Fred Stansfield. A Geography of Settlements. 2nd ed. Macdonald & Evans, 1976.