Cite

"Vienna Letter"

MLA

Thayer, Scofield, 1889-1982. "Vienna Letter". Box 21, folder 440-441. 1922 Aug. https://collections.library.yale.edu/catalog/17142292.

APA, 6th edition

Thayer, Scofield, 1889-1982. (["Box 21, folder 440-441"])(1922 Aug)["Vienna Letter"]. https://collections.library.yale.edu/catalog/17142292.