APA
Hildreth E., Norton E., . (1977). Elementary science of food. London: Mills and Boon Ltd.
Chicago
Hildreth E.M, Norton Elisabeth, . 1977. Elementary science of food. London: Mills and Boon Ltd.
Harvard
Hildreth E., Norton E., . (1977). Elementary science of food. London: Mills and Boon Ltd.
MLA
Hildreth E.M, Norton Elisabeth, . Elementary science of food. London: Mills and Boon Ltd. 1977.