Heintzelman, O. H. (1967). World regional geography. Prentice-Hall.
Chicago Style (17th ed.) CitationHeintzelman, Oliver Harry. World Regional Geography. New Jersey: Prentice-Hall, 1967.
MLA (9th ed.) CitationHeintzelman, Oliver Harry. World Regional Geography. Prentice-Hall, 1967.
Warning: These citations may not always be 100% accurate.