APA Style
Engeln, O.D. von. (1942).
Geomorphology, Systematic and Regional .
New York:
The Macmillan Company.
Chicago Style
Engeln, O.D. von.
Geomorphology, Systematic and Regional.
New York:
The Macmillan Company,
1942.
Hard Copy.
MLA Style
Engeln, O.D. von.
Geomorphology, Systematic and Regional.
New York:
The Macmillan Company,
1942.
Hard Copy.
Turabian Style
Engeln, O.D. von.
Geomorphology, Systematic and Regional.
New York:
The Macmillan Company,
1942.
Hard Copy.