APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.