APA

Estados Unidos, . (1943). Supplement to the Code of Federal Regulations of the United States of America, containing documents of general applicability and legal effect issued by federal agencies during the calendar year. Washington: Oficina de Impresiones del Gobierno de los Estados Unidos.

Chicago

Estados Unidos, . 1943. Supplement to the Code of Federal Regulations of the United States of America, containing documents of general applicability and legal effect issued by federal agencies during the calendar year. Washington: Oficina de Impresiones del Gobierno de los Estados Unidos.

Harvard

Estados Unidos, . (1943). Supplement to the Code of Federal Regulations of the United States of America, containing documents of general applicability and legal effect issued by federal agencies during the calendar year. Washington: Oficina de Impresiones del Gobierno de los Estados Unidos.

MLA

Estados Unidos, . Supplement to the Code of Federal Regulations of the United States of America, containing documents of general applicability and legal effect issued by federal agencies during the calendar year. Washington: Oficina de Impresiones del Gobierno de los Estados Unidos. 1943.