Dr. Marcel Petiot - Sociology bibliographies - in Harvard style

In-text: (Marcel Petiot, 2008)

Your Bibliography: Artezia.net. 2008. Marcel Petiot. [online] Available at: <http://www.artezia.net/sk/marcel_petiot/marcel_petiot.htm> [Accessed 10 February 2015].

In-text: (Blanco, 2006)

Your Bibliography: Blanco, J., 2006. Marcel Petiot | Murderpedia, the encyclopedia of murderers. [online] Murderpedia.org. Available at: <http://murderpedia.org/male.P/p/petiot-marcel.htm> [Accessed 10 February 2015].

In-text: (Jenkins, 2006)

Your Bibliography: Jenkins, J., 2006. Marcel Petiot | biography - French serial killer. [online] Encyclopedia Britannica. Available at: <http://www.britannica.com/EBchecked/topic/1245957/Marcel-Petiot> [Accessed 10 February 2015].

In-text: (Newton, 2006)

Your Bibliography: Newton, M., 2006. Dr. Marcel Petiot — Smoke Signals — Crime Library. [online] Crimelibrary.com. Available at: <http://www.crimelibrary.com/serial_killers/history/petiot/1.html> [Accessed 10 February 2015].

In-text: (Roper, 2012)

Your Bibliography: Roper, M., 2012. The grisly story of Marcel Petiot - the Butcher of Paris+. [online] mirror. Available at: <http://www.mirror.co.uk/news/world-news/the-grisly-story-of-marcel-petiot---303745> [Accessed 10 February 2015].