APA
Aykroyd W. R., . (1964). Food for man. Oxford: Pergamon Press.
Chicago
Aykroyd W R, . 1964. Food for man. Oxford: Pergamon Press.
Harvard
Aykroyd W. R., . (1964). Food for man. Oxford: Pergamon Press.
MLA
Aykroyd W R, . Food for man. Oxford: Pergamon Press. 1964.