Cite

"17th & 18th Century"

MLA

Erdoes, Richard, 1912-2008. "17th & 18th Century". Box 44. 1974-1978, undated. https://collections.library.yale.edu/catalog/10254688.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 44"])(1974-1978, undated)["17th & 18th Century"]. https://collections.library.yale.edu/catalog/10254688.