Heintzelman, O. H., & Highsmith, R. M. (1973). World regional geography (Fourth edition.). Prentice-Hall.
Chicago Style (17th ed.) CitationHeintzelman, Oliver Harry, and Richard Morgan Highsmith. World Regional Geography. Fourth edition. Englewood Cliffs, N.J.: Prentice-Hall, 1973.
MLA (8th ed.) CitationHeintzelman, Oliver Harry, and Richard Morgan Highsmith. World Regional Geography. Fourth edition. Prentice-Hall, 1973.
Warning: These citations may not always be 100% accurate.