APA استشهاد

Connor, D. J., Loomis, R. S., & Cassman, K. G. (2011). Crop ecology (2nd ed.). Cambridge University Press.

استشهاد بنمط شيكاغو

Connor, D. J., R. S. Loomis, و Kenneth G. Cassman. Crop Ecology. 2nd ed. Cambridge ; New York: Cambridge University Press, 2011.

MLA استشهاد

Connor, D. J., et al. Crop Ecology. 2nd ed. Cambridge University Press, 2011.