MLA

Leeming, David Adams, 1937-. Letter from Berdis Emma Jones Baldwin to David Leeming regarding Bill Weatherby's search for Baldwin's biological father. Box 9, folder 93. undated. https://collections.library.yale.edu/catalog/17029211.

APA, 6th edition

Leeming, David Adams, 1937-. (["Box 9, folder 93"])(undated)[Letter from Berdis Emma Jones Baldwin to David Leeming regarding Bill Weatherby's search for Baldwin's biological father]. https://collections.library.yale.edu/catalog/17029211.