Παραπομπή σε μορφή APA (7η εκδ.)

Library of Congress. (1939). Annual report of the Librarian of Congress for the fiscal year ended (Doc. ed.). U.S. G.P.O..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Library of Congress. Annual Report of the Librarian of Congress for the Fiscal Year Ended. Doc. ed. Washington: U.S. G.P.O., 1939.

Παραπομπή σε μορφή MLA (8th εκδ.)

Library of Congress. Annual Report of the Librarian of Congress for the Fiscal Year Ended. Doc. ed. U.S. G.P.O., 1939.