Cite

Verso of German postcard included in a Skull and Bones photograph album originally owned by Chester Wolcott Lyman, BA 1882.

MLA

Unknown. Verso of German Postcard Included in a Skull and Bones Photograph Album Originally Owned by Chester Wolcott Lyman, BA 1882. 0AD. https://collections.library.yale.edu/catalog/10014938.

APA, 6th edition

U. (0 C.E.). Verso of German postcard included in a Skull and Bones photograph album originally owned by Chester Wolcott Lyman, BA 1882. [Books (part of)]. https://collections.library.yale.edu/catalog/10014938.