Citazione Stile APA (7a Edizione)

Reddy, L. A., Files-Hall, T. M., & Schaefer, C. E. (2016). Empirically based play interventions for children (Second edition.). American Psychological Association.

Citazione stile Chigago Style (17a edizione)

Reddy, Linda A., Tara M. Files-Hall, e Charles E. Schaefer. Empirically Based Play Interventions for Children. Second edition. Washington, District of Columbia: American Psychological Association, 2016.

Citatione MLA (9a ed.)

Reddy, Linda A., et al. Empirically Based Play Interventions for Children. Second edition. American Psychological Association, 2016.