Cita APA

Norman, M. J. T., & Person, C. (1984). The ecology of tropical food crops. Cambridge: Cambridge University Press.

Citación estilo Chicago

Norman, M. J. T., y C.J. Person. The Ecology of Tropical Food Crops. Cambridge: Cambridge University Press, 1984.

Cita MLA

Norman, M. J. T., y C.J. Person. The Ecology of Tropical Food Crops. Cambridge: Cambridge University Press, 1984.