Gershwin, George - photograph of Ruby Elzy in "Porgy and Bess"
MLA
Hughes, Langston, 1902-1967. Gershwin, George - photograph of Ruby Elzy in "Porgy and Bess". Box 23 (Oversize), folder 353. circa 1920-1950. https://collections.library.yale.edu/catalog/16207126.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 23 (Oversize), folder 353"])(circa 1920-1950)[Gershwin, George - photograph of Ruby Elzy in "Porgy and Bess"]. https://collections.library.yale.edu/catalog/16207126.