APA (7th ed.) Citation

United States. Agricultural Research Service. North Central Region. (1977). Research progress and needs conservation tillage: Council Bluffs, Iowa, January 6-7, 1976. Dept. of Agriculture, Agricultural Research Service, North Central Region.

Chicago Style (17th ed.) Citation

United States. Agricultural Research Service. North Central Region. Research Progress and Needs Conservation Tillage: Council Bluffs, Iowa, January 6-7, 1976. [Peoria, Ill.]: Dept. of Agriculture, Agricultural Research Service, North Central Region, 1977.

MLA (9th ed.) Citation

United States. Agricultural Research Service. North Central Region. Research Progress and Needs Conservation Tillage: Council Bluffs, Iowa, January 6-7, 1976. Dept. of Agriculture, Agricultural Research Service, North Central Region, 1977.