APA (7th ed.) Citation

United States. Agricultural Marketing Service. (1981). AMS food purchases. The Service.

Chicago Style (17th ed.) Citation

United States. Agricultural Marketing Service. AMS Food Purchases. Washington, D.C.: The Service, 1981.

MLA (9th ed.) Citation

United States. Agricultural Marketing Service. AMS Food Purchases. The Service, 1981.

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