APA (7th ed.) Citation
Klages, K. H. W. (1942). Ecological crop geography. The Macmillan company.
Chicago Style (17th ed.) Citation
Klages, K. H. W. Ecological Crop Geography. New York: The Macmillan company, 1942.
MLA (9th ed.) Citation
Klages, K. H. W. Ecological Crop Geography. The Macmillan company, 1942.
Warning: These citations may not always be 100% accurate.