Cite

[Letter : William Drummond to Augustus Hall]

MLA

Drummond, William W. [Letter : William Drummond to Augustus Hall]. 1855. https://collections.library.yale.edu/catalog/11703780.

APA, 6th edition

Drummond, W. W. (1855). [Letter : William Drummond to Augustus Hall] [Annotations, Autographs, letters (correspondence) (AAT)]. https://collections.library.yale.edu/catalog/11703780.