APA (7th ed.) Citation

Gill, P. (2015). Lone-actor terrorists : a behavioural analysis / Paul Gill: A behavioural analysis. Routledge.

Chicago Style (17th ed.) Citation

Gill, Paul. Lone-actor Terrorists : A Behavioural Analysis / Paul Gill: A Behavioural Analysis. London ; New York: Routledge, 2015.

MLA (9th ed.) Citation

Gill, Paul. Lone-actor Terrorists : A Behavioural Analysis / Paul Gill: A Behavioural Analysis. Routledge, 2015.

Warning: These citations may not always be 100% accurate.