Cita APA (7th ed.)
Vasta, R. (2004). Child Psychology (4th ed.). John wiley & sons.
Cita Chicago (17th ed.)
Vasta, Ross. Child Psychology. 4th ed. Von Hoffman: John wiley & sons, 2004.
Cita MLA (9th ed.)
Vasta, Ross. Child Psychology. 4th ed. John wiley & sons, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.