APA
Fisher P., Fisher P., . (1970). Value of food. London: Oxford University Press.
Chicago
Fisher Patty, Fisher Patty, . 1970. Value of food. London: Oxford University Press.
Harvard
Fisher P., Fisher P., . (1970). Value of food. London: Oxford University Press.
MLA
Fisher Patty, Fisher Patty, . Value of food. London: Oxford University Press. 1970.