Cite

"O-R" general

MLA

Ronnebeck, Arnold, 1885-1947. "O-R" general. Box 3. 1927-1947, undated. https://collections.library.yale.edu/catalog/17170346.

APA, 6th edition

Ronnebeck, Arnold, 1885-1947. (["Box 3"])(1927-1947, undated)["O-R" general]. https://collections.library.yale.edu/catalog/17170346.