Cita APA (7a ed.)

Norman, M. J. T., Searle P. G., & Pearson C. J. (1995). The ecology of tropical food crops (2nd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Norman, M. J. T., Searle P. G., y Pearson C. J. The Ecology of Tropical Food Crops. 2nd ed. London: Cambridge University Press, 1995.

Cita MLA (9a ed.)

Norman, M. J. T., et al. The Ecology of Tropical Food Crops. 2nd ed. Cambridge University Press, 1995.