MLA

St. George, Andrew, 1924-2001. Guerrillas, field medicine, school children. Box 42, folder 3. 1958 October - December. https://collections.library.yale.edu/catalog/10020850.

APA, 6th edition

St. George, Andrew, 1924-2001. (["Box 42, folder 3"])(1958 October - December)[Guerrillas, field medicine, school children]. https://collections.library.yale.edu/catalog/10020850.