APA (7th ed.) Citation

Freeman, O. W., & Raup, H. F. (1959). Essentials of geography (2d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Freeman, Otis Willard, and H. F. Raup. Essentials of Geography. 2d ed. New York: McGraw-Hill, 1959.

MLA (8th ed.) Citation

Freeman, Otis Willard, and H. F. Raup. Essentials of Geography. 2d ed. McGraw-Hill, 1959.