APA (7th ed.) Citation

Harrison, S. G., Masefield, G. B., & Wallis, M. (1971). The Oxford book of food plants (Reprinted.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Harrison, S. G., G. B. Masefield, and Michael Wallis. The Oxford Book of Food Plants. Reprinted. London: Oxford Univ. Press, 1971.

MLA (9th ed.) Citation

Harrison, S. G., et al. The Oxford Book of Food Plants. Reprinted. Oxford Univ. Press, 1971.