Cite

Polignac, A. de

MLA

Clésinger-Sand, Solange, 1828-1899. Polignac, A. de. Box 1, folder 47. 1855, undated. https://collections.library.yale.edu/catalog/17444480.

APA, 6th edition

Clésinger-Sand, Solange, 1828-1899. (["Box 1, folder 47"])(1855, undated)[Polignac, A. de]. https://collections.library.yale.edu/catalog/17444480.