Cite

[Fanny and Emil carving heart in tree]. A80

MLA

[Fanny and Emil Carving Heart in Tree]. A80. 0AD. https://collections.library.yale.edu/catalog/2017271.

APA, 6th edition

[Fanny and Emil carving heart in tree]. A80. (0 C.E.). [Lantern slides, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017271.