APA (7th ed.) Citation

Williamson, S. (1987). Violence, criminal psychopaths and their victims. Canadian journal of behavioural science, 19(4), 454-463.

Chicago Style (17th ed.) Citation

Williamson, S. "Violence, Criminal Psychopaths and Their Victims." Canadian Journal of Behavioural Science 19, no. 4 (1987): 454-463.

MLA (9th ed.) Citation

Williamson, S. "Violence, Criminal Psychopaths and Their Victims." Canadian Journal of Behavioural Science, vol. 19, no. 4, 1987, pp. 454-463.