Cite

[Autograph letter signed] 1948 August [to] Noel Arnaud

MLA

[Autograph Letter Signed] 1948 August [to] Noel Arnaud. 1968. https://collections.library.yale.edu/catalog/2057640.

APA, 6th edition

[Autograph letter signed] 1948 August [to] Noel Arnaud. (1968). [Correspondence, Ephemera, Illustrations, Marginalia]. https://collections.library.yale.edu/catalog/2057640.