Cite

Ambrotype in a case, of a boy and a woman

MLA

Palmquist, Peter E. Ambrotype in a Case, of a Boy and a Woman. 0AD. https://collections.library.yale.edu/catalog/2056729.

APA, 6th edition

Palmquist, P. E. (0 C.E.). Ambrotype in a case, of a boy and a woman. https://collections.library.yale.edu/catalog/2056729.