Citazione APA

National Farmers' Union (U.S.). (1968). National union farmer. Farmers' Educational and Co-operative Union of America.

Stile di citazione Chicago

National Farmers' Union (U.S.). National Union Farmer. Marissa, Ill.: Farmers' Educational and Co-operative Union of America, 1968.

Citazione MLA

National Farmers' Union (U.S.). National Union Farmer. Farmers' Educational and Co-operative Union of America, 1968.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.