APA (7th ed.) Citation

Engeln, O. D. v. (1942). Geomorphology: Systematic and regional. McMillan.

Chicago Style (17th ed.) Citation

Engeln, O. D. von. Geomorphology: Systematic and Regional. Nueva York: McMillan, 1942.

MLA (9th ed.) Citation

Engeln, O. D. von. Geomorphology: Systematic and Regional. McMillan, 1942.

Warning: These citations may not always be 100% accurate.