Cita APA (7th ed.)

Schaffer, H. R. (2004). Introducing child psychology. Blackwell Publishing..

Cita Chicago (17th ed.)

Schaffer, H. Rudolph. Introducing Child Psychology. Malden, MA: Blackwell Publishing., 2004.

Cita MLA (8th ed.)

Schaffer, H. Rudolph. Introducing Child Psychology. Blackwell Publishing., 2004.