Cita APA (7a ed.)
(2006). Agricultural Resources & Environmental Indicators. United States Department of Agriculture.
Cita Chicago Style (17a ed.)
Agricultural Resources & Environmental Indicators. United States Department of Agriculture, 2006.
Cita MLA (9a ed.)
Agricultural Resources & Environmental Indicators. United States Department of Agriculture, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.