Cite

Maarek, ---. Portrait of Walter van Rensselaer Berry (oil on canvas, 22.25" x 22")

MLA

Wharton, Edith, 1862-1937. Maarek, ---. Portrait of Walter van Rensselaer Berry (oil on canvas, 22.25" x 22"). folder 1851 (Art). n.d.. https://collections.library.yale.edu/catalog/33190239.

APA, 6th edition

Wharton, Edith, 1862-1937. (["folder 1851 (Art)"])(n.d.)[Maarek, ---. Portrait of Walter van Rensselaer Berry (oil on canvas, 22.25" x 22")]. https://collections.library.yale.edu/catalog/33190239.