Cite
Letter, William F. Ryan to Dr. and Mrs. Israel Zwerling; July 13, 1964
MLA
Ryan, William F., 1922-1972. "Letter, William F. Ryan to Dr. and Mrs. Israel Zwerling; July 13, 1964." University of Southern Mississippi. Libraries. 1964-07-13, https://usm.access.preservica.com/uncategorized/IO_4f879f63-ebd1-4ad6-b96a-455c92a9fec0.
APA
Ryan, William F., 1922-1972 (1964-07-13). Letter, William F. Ryan to Dr. and Mrs. Israel Zwerling; July 13, 1964. Retrieved from https://usm.access.preservica.com/uncategorized/IO_4f879f63-ebd1-4ad6-b96a-455c92a9fec0
Chicago
Ryan, William F., 1922-1972. "Letter, William F. Ryan to Dr. and Mrs. Israel Zwerling; July 13, 1964." 1964-07-13. July 19, 2025. https://usm.access.preservica.com/uncategorized/IO_4f879f63-ebd1-4ad6-b96a-455c92a9fec0.