Cita APA (7a ed.)
Lucas, M., Pandey, S., Villano, R., Culanay, D., & Obien, S. (1999). Characterization and economic analysis of intensive cropping systems in rainfed lowlands of Ilocos Norte, Philippines. Cambridge University Press.
Cita Chicago Style (17a ed.)
Lucas, M.P, S. Pandey, R.A Villano, D.R Culanay, y S.R Obien. Characterization and Economic Analysis of Intensive Cropping Systems in Rainfed Lowlands of Ilocos Norte, Philippines. Cambridge University Press, 1999.
Cita MLA (9a ed.)
Lucas, M.P, et al. Characterization and Economic Analysis of Intensive Cropping Systems in Rainfed Lowlands of Ilocos Norte, Philippines. Cambridge University Press, 1999.
Precaución: Estas citas no son 100% exactas.