Citazione Stile APA (7a Edizione)

Waller, T., Hagsér, E. Ä., Sandseter, E. B. H., Hammond, L. L., Lekies, K., & Wyver, S. (2017). The SAGE handbook of outdoor play and learning. SAGE Reference.

Citazione stile Chigago Style (17a edizione)

Waller, Tim, Eva Ärlemalm- Hagsér, Ellen Beate Hansen Sandseter, Libby Lee- Hammond, Kristi Lekies, e Shirley Wyver. The SAGE Handbook of Outdoor Play and Learning. Los Angeles: SAGE Reference, 2017.

Citatione MLA (9a ed.)

Waller, Tim, et al. The SAGE Handbook of Outdoor Play and Learning. SAGE Reference, 2017.