APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Gill, Paul. Lone-actor Terrorists: A Behavioural Analysis. London [u.a.]: Routledge, 2015.

MLA (9th ed.) Citation

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

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