Cita APA (7a ed.)

American Geographical Society of New York. (1960). South América (3a ed.). Army Map Service.

Cita Chicago Style (17a ed.)

American Geographical Society of New York. South América. 3a ed. Washington D.C.: Army Map Service, 1960.

Cita MLA (8a ed.)

American Geographical Society of New York. South América. 3a ed. Army Map Service, 1960.