Cite

[William Eric Williams[?] playing ukulele at the beach]

MLA

[William Eric Williams[?] Playing Ukulele at the Beach]. 0AD. https://collections.library.yale.edu/catalog/2054030.

APA, 6th edition

[William Eric Williams[?] playing ukulele at the beach]. (0 C.E.). [Negatives, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2054030.