Document, signed
MLA
Cromwell, Oliver, 1599-1658. Document, signed. Box 1. 1651 Jun 12. https://collections.library.yale.edu/catalog/10267729.
APA, 6th edition
Cromwell, Oliver, 1599-1658. (["Box 1"])(1651 Jun 12)[Document, signed]. https://collections.library.yale.edu/catalog/10267729.