Cite

Letter : 168 Prospect Park West, Brooklyn, N. Y., to Howard Pyle

MLA

Duncan, Norman, 1871-1916. Letter : 168 Prospect Park West, Brooklyn, N. Y., to Howard Pyle. Box 43, folder GROUP 730, F-1. n.y. Jun 10. https://collections.library.yale.edu/catalog/10081315.

APA, 6th edition

Duncan, Norman, 1871-1916. (["Box 43, folder GROUP 730, F-1"])(n.y. Jun 10)[Letter : 168 Prospect Park West, Brooklyn, N. Y., to Howard Pyle]. https://collections.library.yale.edu/catalog/10081315.