APA (7th ed.) Citation

Halford, N. G. (2003). Genetically modified crops. Imperial College Press.

Chicago Style (17th ed.) Citation

Halford, N. G. Genetically Modified Crops. London: Imperial College Press, 2003.

MLA (9th ed.) Citation

Halford, N. G. Genetically Modified Crops. Imperial College Press, 2003.

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