Cita APA (7a ed.)
(1984). Utilization of sewage sludge compost as a soil conditioner and fertilizer for plant growth. United States Department of Agriculture.
Cita Chicago Style (17a ed.)
Utilization of Sewage Sludge Compost as a Soil Conditioner and Fertilizer for Plant Growth. Washington: United States Department of Agriculture, 1984.
Cita MLA (9a ed.)
Utilization of Sewage Sludge Compost as a Soil Conditioner and Fertilizer for Plant Growth. United States Department of Agriculture, 1984.
Precaución: Estas citas no son 100% exactas.