Cita APA (7th ed.)
Cook, R. (2009). Intervention. G.P. Putnam's Sons.
Cita Chicago (17th ed.)
Cook, Robin. Intervention. New York: G.P. Putnam's Sons, 2009.
Cita MLA (9th ed.)
Cook, Robin. Intervention. G.P. Putnam's Sons, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.