Cita APA (7th ed.)

Schaefer, C. E. (2010). Play therapy for preschool children. American Psychological Association.

Cita Chicago (17th ed.)

Schaefer, Charles E. Play Therapy for Preschool Children. Washington, D.C: American Psychological Association, 2010.

Cita MLA (9th ed.)

Schaefer, Charles E. Play Therapy for Preschool Children. American Psychological Association, 2010.