APA (7th ed.) Citation

Dillon, M. (1990). The Shankill Butchers: A case study of mass murder. Arrow Books.

Chicago Style (17th ed.) Citation

Dillon, Martin. The Shankill Butchers: A Case Study of Mass Murder. London: Arrow Books, 1990.

MLA (9th ed.) Citation

Dillon, Martin. The Shankill Butchers: A Case Study of Mass Murder. Arrow Books, 1990.

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