Cita APA (7a ed.)
Gichuru, M., & Sanchez, P. (1988). Phosphate rock fertilization in tilled and no-till low-input systems in the humid tropics.
Cita Chicago Style (17a ed.)
Gichuru, M.P, y P.A Sanchez. Phosphate Rock Fertilization in Tilled and No-till Low-input Systems in the Humid Tropics. 1988.
Cita MLA (9a ed.)
Gichuru, M.P, y P.A Sanchez. Phosphate Rock Fertilization in Tilled and No-till Low-input Systems in the Humid Tropics. 1988.
Precaución: Estas citas no son 100% exactas.