APA-viite (7. p.)

HEINTZELMAN, O. H., & HIGHSMITH, R. M. (1963). World regional geography.--Ed.2. Prentice-Hall.

Chicago-viite (17. p.)

HEINTZELMAN, Oliver H., ja Richard M. HIGHSMITH. World Regional Geography.--Ed.2. New Jersey: Prentice-Hall, 1963.

MLA-viite (9. p.)

HEINTZELMAN, Oliver H., ja Richard M. HIGHSMITH. World Regional Geography.--Ed.2. Prentice-Hall, 1963.