Cite

Letter to Lucie, Lady Duff-Gordon; 17 Cambridge Terrace, [1851] Mar 27.

MLA

Doyle, Richard, 1824-1883. Letter to Lucie, Lady Duff-Gordon; 17 Cambridge Terrace, [1851] Mar 27.. [1851] March 27. https://collections.library.yale.edu/catalog/10191029.

APA, 6th edition

Doyle, Richard, 1824-1883. ([1851] March 27)[Letter to Lucie, Lady Duff-Gordon; 17 Cambridge Terrace, [1851] Mar 27.]. https://collections.library.yale.edu/catalog/10191029.