Engeln, O. D. v. (1942). Geomorphology, systematic and regional. The Macmillan Company.
Chicago Style (17th ed.) CitationEngeln, O. D. von. Geomorphology, Systematic and Regional. New York: The Macmillan Company, 1942.
MLA (9th ed.) CitationEngeln, O. D. von. Geomorphology, Systematic and Regional. The Macmillan Company, 1942.
Warning: These citations may not always be 100% accurate.