APA (7th ed.) Citation

Hammond Incorporated. (1967). Hammond contemporary world atlas (New perspective ed.). Doubleday.

Chicago Style (17th ed.) Citation

Hammond Incorporated. Hammond Contemporary World Atlas. New perspective ed. Garden City, N.Y.: Doubleday, 1967.

MLA (9th ed.) Citation

Hammond Incorporated. Hammond Contemporary World Atlas. New perspective ed. Doubleday, 1967.