Cita APA (7a ed.)
(1988). Agricultural Statistics 1988. United States Department of Agriculture.
Cita Chicago Style (17a ed.)
Agricultural Statistics 1988. Washington: United States Department of Agriculture, 1988.
Cita MLA (9a ed.)
Agricultural Statistics 1988. United States Department of Agriculture, 1988.
Precaución: Estas citas no son 100% exactas.