Cita APA

Doyle, J. (1985). Altered harvest: Agriculture, genetics and the fate of the world's food supply. New York: Viking Penguin.

Chicago Style Citation

Doyle, Jack. Altered Harvest: Agriculture, Genetics and the Fate of the World's Food Supply. New York: Viking Penguin, 1985.

Cita MLA

Doyle, Jack. Altered Harvest: Agriculture, Genetics and the Fate of the World's Food Supply. New York: Viking Penguin, 1985.