Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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