Halford, N. G. (2012). Genetically modified crops (2nd ed.). Imperial College Press.
芝加哥风格引文Halford, N. G. Genetically Modified Crops. 2nd ed. London: Imperial College Press, 2012.
MLA引文Halford, N. G. Genetically Modified Crops. 2nd ed. Imperial College Press, 2012.
警告：这些引文格式不一定是100％准确.