APA

Nicholson B. E., Harrison S. G., Masefield G. B. & Wallis M. (1975). The Oxford Book of Food Plants. London: Oxford University Press.

Chicago

Nicholson B E, Harrison S G, Masefield G B and Wallis Michael. 1975. The Oxford Book of Food Plants. London: Oxford University Press.

Harvard

Nicholson B. E., Harrison S. G., Masefield G. B. and Wallis M. (1975). The Oxford Book of Food Plants. London: Oxford University Press.

MLA

Nicholson B E, Harrison S G, Masefield G B and Wallis Michael. The Oxford Book of Food Plants. London: Oxford University Press. 1975.