Cite

Butler, R. A. B. [Butler of Saffron Walden, Richard Austen Butler, Baron]

MLA

Van Thal, Herbert, 1904-1983. Butler, R. A. B. [Butler of Saffron Walden, Richard Austen Butler, Baron]. Box 1, folder 21. 1974. https://collections.library.yale.edu/catalog/16545925.

APA, 6th edition

Van Thal, Herbert, 1904-1983. (["Box 1, folder 21"])(1974)[Butler, R. A. B. [Butler of Saffron Walden, Richard Austen Butler, Baron]]. https://collections.library.yale.edu/catalog/16545925.