APA (7th ed.) Citation

American Map Company (New York, N.Y.). (1960). Colorprint general map: South America [cartographic material]. American Map Company Co.

Chicago Style (17th ed.) Citation

American Map Company (New York, N.Y.). Colorprint General Map: South America [cartographic Material]. [New York]: American Map Company Co, 1960.

MLA (9th ed.) Citation

American Map Company (New York, N.Y.). Colorprint General Map: South America [cartographic Material]. American Map Company Co, 1960.