Cita APA (7a ed.)
Smith, J., Neue, H., & Umali, G. (1987). Soil Nitrogen and Fertilizer Recommendations for Irrigated Rice in the Philippines. Elsevier.
Cita Chicago Style (17a ed.)
Smith, Joyotee, H.U Neue, y Gloria Umali. Soil Nitrogen and Fertilizer Recommendations for Irrigated Rice in the Philippines. Elsevier, 1987.
Cita MLA (9a ed.)
Smith, Joyotee, et al. Soil Nitrogen and Fertilizer Recommendations for Irrigated Rice in the Philippines. Elsevier, 1987.
Precaución: Estas citas no son 100% exactas.