MLA

Morpurgo, Nelson, 1899-1978. Printed: La Semaine egyptienne. Box 1, folder 22. 1932 Oct 31. https://collections.library.yale.edu/catalog/2109186.

APA, 6th edition

Morpurgo, Nelson, 1899-1978. (["Box 1, folder 22"])(1932 Oct 31)[Printed: La Semaine egyptienne]. https://collections.library.yale.edu/catalog/2109186.