Cite

"Scenario for film of Peter Pan or the Boy who Wouldn't Grow Up"

MLA

Barrie, J. M. (James Matthew), 1860-1937. "Scenario for film of Peter Pan or the Boy who Wouldn't Grow Up". Box 43, folder 936. 1921. https://collections.library.yale.edu/catalog/2030730.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (["Box 43, folder 936"])(1921)["Scenario for film of Peter Pan or the Boy who Wouldn't Grow Up"]. https://collections.library.yale.edu/catalog/2030730.