Cite

Martin Secker & Warburg Ltd., royalty statements

MLA

Douglas, Norman, 1868-1952. Martin Secker & Warburg Ltd., royalty statements. Box 46. circa 1937-1949. https://collections.library.yale.edu/catalog/16454778.

APA, 6th edition

Douglas, Norman, 1868-1952. (["Box 46"])(circa 1937-1949)[Martin Secker & Warburg Ltd., royalty statements]. https://collections.library.yale.edu/catalog/16454778.