APA
Harrison S. G. M. G. B. &. W. M., . (1969). The Oxford book of food plants. Oxford University Press, London: .
Chicago
Harrison S G Masefield G B & Wallis Michael, . 1969. The Oxford book of food plants. Oxford University Press, London: .
Harvard
Harrison S. G. M. G. B. &. W. M., . (1969). The Oxford book of food plants. Oxford University Press, London: .
MLA
Harrison S G Masefield G B & Wallis Michael, . The Oxford book of food plants. Oxford University Press, London: . 1969.