Cita APA (7th ed.)

Crowley, K. (2017). Child development: A practical introduction (2nd edition.). Sage.

Cita Chicago (17th ed.)

Crowley, Kevin. Child Development: A Practical Introduction. 2nd edition. Los Angeles: Sage, 2017.

Cita MLA (9th ed.)

Crowley, Kevin. Child Development: A Practical Introduction. 2nd edition. Sage, 2017.