Cite

[Letter : Harvey Clark to Mr A T Smith, Clearwater]

MLA

Clark, Harvey, 1807-1858. [Letter : Harvey Clark to Mr A T Smith, Clearwater]. Box 1 | Folder 3. 1840 December 17. https://collections.library.yale.edu/catalog/10609816.

APA, 6th edition

Clark, Harvey, 1807-1858. (["Box 1 | Folder 3"])(1840 December 17)[[Letter : Harvey Clark to Mr A T Smith, Clearwater]]. https://collections.library.yale.edu/catalog/10609816.