MLA

Grafigny, Mme de (Françoise d'Issembourg d'Happoncourt), 1695-1758. Volume 98. Papers. Box 75. n.d.. https://collections.library.yale.edu/catalog/10082148.

APA, 6th edition

Grafigny, Mme de (Françoise d'Issembourg d'Happoncourt), 1695-1758. (["Box 75"])(n.d.)[Volume 98. Papers]. https://collections.library.yale.edu/catalog/10082148.