APA (7th ed.) Citation

Shanahan, E. W. (1947). South America: An economic and regional geography, with an historical chapter ([7th ed.].). Dutton.

Chicago Style (17th ed.) Citation

Shanahan, E. W. South America: An Economic and Regional Geography, with an Historical Chapter. [7th ed.]. New York: Dutton, 1947.

MLA (9th ed.) Citation

Shanahan, E. W. South America: An Economic and Regional Geography, with an Historical Chapter. [7th ed.]. Dutton, 1947.