APA (7th ed.) Citation

Davis, C. A. (2013). Parents who kill: Shocking true stories of the world's most evil parents (This updated ed. publ. in 2013.). John Blake.

Chicago Style (17th ed.) Citation

Davis, Carol Anne. Parents Who Kill: Shocking True Stories of the World's Most Evil Parents. This updated ed. publ. in 2013. London: John Blake, 2013.

MLA (9th ed.) Citation

Davis, Carol Anne. Parents Who Kill: Shocking True Stories of the World's Most Evil Parents. This updated ed. publ. in 2013. John Blake, 2013.