Citazione Stile APA (7a Edizione)

Chisholm, M. (1970). Geography and Economics (2nd ed.). Bell & Sons.

Citazione stile Chigago Style (17a edizione)

Chisholm, Michael. Geography and Economics. 2nd ed. London: Bell & Sons, 1970.

Citatione MLA (9a ed.)

Chisholm, Michael. Geography and Economics. 2nd ed. Bell & Sons, 1970.