Cite

"Recuerdo de Espana" series [Spanish Civil War]

MLA

Hughes, Langston, 1902-1967. "Recuerdo de Espana" series [Spanish Civil War]. Box 585, folder 13963-13964. ca. 1937. https://collections.library.yale.edu/catalog/16729384.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 585, folder 13963-13964"])(ca. 1937)["Recuerdo de Espana" series [Spanish Civil War]]. https://collections.library.yale.edu/catalog/16729384.