APA
Horsburgh H. J. N., . (1968). Non-Violence and aggression. London: Oxford University Press.
Chicago
Horsburgh H J N, . 1968. Non-Violence and aggression. London: Oxford University Press.
Harvard
Horsburgh H. J. N., . (1968). Non-Violence and aggression. London: Oxford University Press.
MLA
Horsburgh H J N, . Non-Violence and aggression. London: Oxford University Press. 1968.