APA (7th ed.) Citation

National Association of State Libraries. Public Document Clearing House Committee & Jenkins, W. S. (1943). Supplement ... [publisher not identified].

Chicago Style (17th ed.) Citation

National Association of State Libraries. Public Document Clearing House Committee and William Sumner Jenkins. Supplement ... Boston: [publisher not identified], 1943.

MLA (9th ed.) Citation

National Association of State Libraries. Public Document Clearing House Committee and William Sumner Jenkins. Supplement ... [publisher not identified], 1943.