APA (7th ed.) Citation

Norman, M. J. T., Pearson, C. J., & Searle, P. G. E. (1984). The ecology of tropical food crops. Cambridge University Press.

Chicago Style (17th ed.) Citation

Norman, M. J. T., C. J. Pearson, and P. G. E. Searle. The Ecology of Tropical Food Crops. Cambridge: Cambridge University Press, 1984.

MLA (9th ed.) Citation

Norman, M. J. T., et al. The Ecology of Tropical Food Crops. Cambridge University Press, 1984.