Citazione Stile APA (7a Edizione)

Shanahan,, E. (1964). South America ; an economic and regional: Geography with an historical chapter (11th ed.). Methuen.

Citazione stile Chigago Style (17a edizione)

Shanahan,, E.W. South America ; an Economic and Regional: Geography with an Historical Chapter. 11th ed. London: Methuen, 1964.

Citatione MLA (9a ed.)

Shanahan,, E.W. South America ; an Economic and Regional: Geography with an Historical Chapter. 11th ed. Methuen, 1964.