Halford, N. G. (2003). Genetically modified crops. Imperial College Press.
芝加哥风格引文Halford, N. G. Genetically Modified Crops. London: Imperial College Press, 2003.
MLA引文Halford, N. G. Genetically Modified Crops. Imperial College Press, 2003.
警告：这些引文格式不一定是100％准确.