APA (7th ed.) Citation

Heintzelman, O. H., & Highsmith, R. M. (1967). World regional geography (3. ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Heintzelman, Oliver H., and Richard M. Highsmith. World Regional Geography. 3. ed. Englewood Cliffs, NJ: Prentice-Hall, 1967.

MLA (9th ed.) Citation

Heintzelman, Oliver H., and Richard M. Highsmith. World Regional Geography. 3. ed. Prentice-Hall, 1967.