APA (7th ed.) Citation

Heintzelman, O. H., & Highsmith, R. M. (1963). World regional geography (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Heintzelman, Oliver Harry, and Richard Morgan Highsmith. World Regional Geography. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1963.

MLA (9th ed.) Citation

Heintzelman, Oliver Harry, and Richard Morgan Highsmith. World Regional Geography. 2nd ed. Prentice-Hall, 1963.