APA (7th ed.) Citation

Corbett, L. (2018). Understanding evil: A psychotherapist's guide. Routledge.

Chicago Style (17th ed.) Citation

Corbett, Lionel. Understanding Evil: A Psychotherapist's Guide. New York, NY, Oxon, OX: Routledge, 2018.

MLA (9th ed.) Citation

Corbett, Lionel. Understanding Evil: A Psychotherapist's Guide. Routledge, 2018.