APA (7th ed.) Citation

(1947). Classification. Class D, supplement 2, second world war. U. S. Government Printing Office.

Chicago Style (17th ed.) Citation

Classification. Class D, Supplement 2, Second World War. Washington: U. S. Government Printing Office, 1947.

MLA (9th ed.) Citation

Classification. Class D, Supplement 2, Second World War. U. S. Government Printing Office, 1947.