"Now I've escap'd the eagles claws . . . "
MLA
Baskin, Leonard, 1922-2000. "Now I've escap'd the eagles claws . . . ". Box 1, folder 3. circa 1790-1820. https://collections.library.yale.edu/catalog/16601279.
APA, 6th edition
Baskin, Leonard, 1922-2000. (["Box 1, folder 3"])(circa 1790-1820)["Now I've escap'd the eagles claws . . . "]. https://collections.library.yale.edu/catalog/16601279.