[Letter: Cole Porter to Honoria [Murphy] Shelton]
MLA
Porter, Cole, 1891-1964. [Letter: Cole Porter to Honoria [Murphy] Shelton]. Box 8 | Folder 136. 1946 January 22. https://collections.library.yale.edu/catalog/10719835.
APA, 6th edition
Porter, Cole, 1891-1964. (["Box 8 | Folder 136"])(1946 January 22)[[Letter: Cole Porter to Honoria [Murphy] Shelton]]. https://collections.library.yale.edu/catalog/10719835.