MLA

Ketubah : Tangier, Morocco, 1892, September 7. 1892. https://collections.library.yale.edu/catalog/2067532.

APA, 6th edition

Ketubah : Tangier, Morocco, 1892, September 7. (1892). [Autographs, Illustrations, Ketubahs, Manuscripts, Marginalia]. https://collections.library.yale.edu/catalog/2067532.