Citazione Stile APA (7a Edizione)

SOMMERVILLE, D. (1959). Analytical geography of three. Cambridge Univ. Press.

Citazione stile Chigago Style (17a edizione)

SOMMERVILLE, D.M.Y. Analytical Geography of Three. London: Cambridge Univ. Press, 1959.

Citatione MLA (9a ed.)

SOMMERVILLE, D.M.Y. Analytical Geography of Three. Cambridge Univ. Press, 1959.