Cite

Portrait of Jeleński in pencil, by unidentified artist

MLA

Jeleński, Konstanty A. (Konstanty Aleksander), 1922-1987. Portrait of Jeleński in pencil, by unidentified artist. Box 5, folder 140. 1940 June 17. https://collections.library.yale.edu/catalog/11173804.

APA, 6th edition

Jeleński, Konstanty A. (Konstanty Aleksander), 1922-1987. (["Box 5, folder 140"])(1940 June 17)[Portrait of Jeleński in pencil, by unidentified artist]. https://collections.library.yale.edu/catalog/11173804.