Cita APA (7a ed.)
(1980). Agricultural statistics 1980. United States Information Agency.
Cita Chicago Style (17a ed.)
Agricultural Statistics 1980. Washington: United States Information Agency, 1980.
Cita MLA (9a ed.)
Agricultural Statistics 1980. United States Information Agency, 1980.
Precaución: Estas citas no son 100% exactas.