Classification. Class D, supplement 2, second world war.
APA Citation
Library of Congress. Subject Cataloging Division. (1947). Classification. Class D, supplement 2, second world war. Washington: U.S. Govt. print. off..
MLA Citation
Library of Congress. Subject Cataloging Division. Classification. Class D, Supplement 2, Second World War. Washington: U.S. Govt. print. off., 1947.
Warning: These citations may not always be complete (especially for serials).