Cite

[Postcard depicting Cezanne landscape painting]

MLA

[Postcard Depicting Cezanne Landscape Painting]. 0AD. https://collections.library.yale.edu/catalog/2018113.

APA, 6th edition

[Postcard depicting Cezanne landscape painting]. (0 C.E.). [Photographic postcards, Photographic prints]. https://collections.library.yale.edu/catalog/2018113.