MLA

Ketubah : Ancona, Italy, 1854, April 5. 1854. https://collections.library.yale.edu/catalog/2068599.

APA, 6th edition

Ketubah : Ancona, Italy, 1854, April 5. (1854). [Autographs, Illustrations, Ketubahs, Manuscripts, Marginalia]. https://collections.library.yale.edu/catalog/2068599.