Citazione APA

United States Department of Agriculture. (1981). Will there be enough food. Washington, D.C: The Department.

Stile di citazione Chicago

United States Department of Agriculture. Will There Be Enough Food. Washington, D.C: The Department, 1981.

Citazione MLA

United States Department of Agriculture. Will There Be Enough Food. Washington, D.C: The Department, 1981.

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