MLA

St. George, Andrew, 1924-2001. School boys at the newly constructed school at the former Moncada military barracks in Oriente. Box 46, folder 9. 1960. https://collections.library.yale.edu/catalog/10020867.

APA, 6th edition

St. George, Andrew, 1924-2001. (["Box 46, folder 9"])(1960)[School boys at the newly constructed school at the former Moncada military barracks in Oriente]. https://collections.library.yale.edu/catalog/10020867.