APA (7th ed.) Citation

Halford, N. G. (2012). Genetically modified crops (2. ed.). Imperial College Press.

Chicago Style (17th ed.) Citation

Halford, Nigel G. Genetically Modified Crops. 2. ed. London: Imperial College Press, 2012.

MLA (9th ed.) Citation

Halford, Nigel G. Genetically Modified Crops. 2. ed. Imperial College Press, 2012.