APA
Drainage for Efficient Crop Production Conference. Chicago I., . (1966). Conference proceedings. St. Joseph, Mich: American Society of Agricultural Engineers.
Chicago
Drainage for Efficient Crop Production Conference. Chicago Ill, . 1966. Conference proceedings. St. Joseph, Mich: American Society of Agricultural Engineers.
Harvard
Drainage for Efficient Crop Production Conference. Chicago I., . (1966). Conference proceedings. St. Joseph, Mich: American Society of Agricultural Engineers.
MLA
Drainage for Efficient Crop Production Conference. Chicago Ill, . Conference proceedings. St. Joseph, Mich: American Society of Agricultural Engineers. 1966.
