Letters from Poujaud to Dukas
MLA
Dukas, Paul, 1865-1935. Letters from Poujaud to Dukas. Box 4, folder 47. 1931. https://collections.library.yale.edu/catalog/32205439.
APA, 6th edition
Dukas, Paul, 1865-1935. (["Box 4, folder 47"])(1931)[Letters from Poujaud to Dukas]. https://collections.library.yale.edu/catalog/32205439.