Cite

[Photograph of two ducks standing at the edge of a man-made pond]

MLA

[Photograph of Two Ducks Standing at the Edge of a Man-Made Pond]. 0AD. https://collections.library.yale.edu/catalog/2067582.

APA, 6th edition

[Photograph of two ducks standing at the edge of a man-made pond]. (0 C.E.). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2067582.