Cite

[Photograph of a Pur Odor advertisement]

MLA

[Photograph of a Pur Odor Advertisement]. 1955. https://collections.library.yale.edu/catalog/2067843.

APA, 6th edition

[Photograph of a Pur Odor advertisement]. (1955). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2067843.