APA (7th ed.) Citation

Marwood, A. (2014). The killer next door. Penguin Books.

Chicago Style (17th ed.) Citation

Marwood, Alex. The Killer Next Door. New York, New York: Penguin Books, 2014.

MLA (8th ed.) Citation

Marwood, Alex. The Killer Next Door. Penguin Books, 2014.

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