Cita APA (7a ed.)
Kirk, G., George, T., Courtois, B., & Senadhira, D. (1998). Opportunities to improve phosphorus efficiency and soil fertility in rainfed lowland and upland rice ecosystems. Elsevier.
Cita Chicago Style (17a ed.)
Kirk, G.J.D, T. George, B. Courtois, y D. Senadhira. Opportunities to Improve Phosphorus Efficiency and Soil Fertility in Rainfed Lowland and Upland Rice Ecosystems. Elsevier, 1998.
Cita MLA (9a ed.)
Kirk, G.J.D, et al. Opportunities to Improve Phosphorus Efficiency and Soil Fertility in Rainfed Lowland and Upland Rice Ecosystems. Elsevier, 1998.
Precaución: Estas citas no son 100% exactas.