Cite

[Autograph letter 1931] July 13, New York, New York, [to Isabel Lachaise]

MLA

[Autograph Letter 1931] July 13, New York, New York, [to Isabel Lachaise]. 0AD. https://collections.library.yale.edu/catalog/2042569.

APA, 6th edition

[Autograph letter 1931] July 13, New York, New York, [to Isabel Lachaise]. (0 C.E.). [Correspondence, Family papers]. https://collections.library.yale.edu/catalog/2042569.