Cita APA (7th ed.)

Yussen Steven R. (1998). Child development: An Introduction. Wm. C. Brown.

Cita Chicago (17th ed.)

Yussen Steven R. Child Development: An Introduction. Lowa: Wm. C. Brown, 1998.

Cita MLA (9th ed.)

Yussen Steven R. Child Development: An Introduction. Wm. C. Brown, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.