Cite

ALS to Lady Darnley, [n.p.]

MLA

Edgeworth, Maria, 1768-1849. ALS to Lady Darnley, [n.p.]. Box 1, folder 3. n.d.. https://collections.library.yale.edu/catalog/17449182.

APA, 6th edition

Edgeworth, Maria, 1768-1849. (["Box 1, folder 3"])(n.d.)[ALS to Lady Darnley, [n.p.]]. https://collections.library.yale.edu/catalog/17449182.