APA (7th ed.) Citation

Holt, R., & Holt, R. F. (1965). Production factors for corn in the northwest corn belt area. Agricultural Research Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Holt, R.F, and R. F. Holt. Production Factors for Corn in the Northwest Corn Belt Area. Beltsville, Md: Agricultural Research Service, U.S. Dept. of Agriculture, 1965.

MLA (9th ed.) Citation

Holt, R.F, and R. F. Holt. Production Factors for Corn in the Northwest Corn Belt Area. Agricultural Research Service, U.S. Dept. of Agriculture, 1965.