APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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