Cite

6. Art - Reflex of Reality - Fantasy transformation

MLA

Mondrian, Piet, 1872-1944. 6. Art - Reflex of Reality - Fantasy transformation. Box 3, folder 69. undated. https://collections.library.yale.edu/catalog/33565121.

APA, 6th edition

Mondrian, Piet, 1872-1944. (["Box 3, folder 69"])(undated)[6. Art - Reflex of Reality - Fantasy transformation]. https://collections.library.yale.edu/catalog/33565121.