APA (7th ed.) Citation

Black, W. E., & Knutson, R. D. (1981). Texas farmer cooperative principles. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Black, William E., and Ronald D. Knutson. Texas Farmer Cooperative Principles. College Station, [Texas]: Texas Agricultural Extension Service, 1981.

MLA (9th ed.) Citation

Black, William E., and Ronald D. Knutson. Texas Farmer Cooperative Principles. Texas Agricultural Extension Service, 1981.