APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Heintzelman, Oliver Harry, and Richard Morgan Highsmith. World Regional Geography. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1967.

MLA (9th ed.) Citation

Heintzelman, Oliver Harry, and Richard Morgan Highsmith. World Regional Geography. 3rd ed. Prentice-Hall, 1967.