Cita APA (7th ed.)
(2004). Strangers in Paradise. Free Books.
Cita Chicago (17th ed.)
Strangers in Paradise. Citta di Castello: Free Books, 2004.
Cita MLA (9th ed.)
Strangers in Paradise. Free Books, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.