Cita APA (7th ed.)
O'Neill, T., & Cenciarelli, G. (2012). Sick city. Playground.
Cita Chicago (17th ed.)
O'Neill, Tony, i Gaja Cenciarelli. Sick City. Roma: Playground, 2012.
Cita MLA (9th ed.)
O'Neill, Tony, i Gaja Cenciarelli. Sick City. Playground, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.