Citazione Stile APA (7a Edizione)

Gottmann, J. (1969). A geography of Europe (4th ed.). Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Gottmann, Jean. A Geography of Europe. 4th ed. New York: Holt, Rinehart and Winston, 1969.

Citatione MLA (9a ed.)

Gottmann, Jean. A Geography of Europe. 4th ed. Holt, Rinehart and Winston, 1969.