MLA

Richardson, Dorothy M. (Dorothy Miller), 1873-1957. YEATS OF BLOOMSBURY: typescript (carbon) of an article describing the time she and Yeats both inhabited Woburn Way 9 p.. Box 8, folder 192. n.d.. https://collections.library.yale.edu/catalog/16495653.

APA, 6th edition

Richardson, Dorothy M. (Dorothy Miller), 1873-1957. (["Box 8, folder 192"])(n.d.)[YEATS OF BLOOMSBURY: typescript (carbon) of an article describing the time she and Yeats both inhabited Woburn Way 9 p.]. https://collections.library.yale.edu/catalog/16495653.