APA (7th ed.) Citation

Library of Congress. Legislative Reference Service & ProQuest (Firm). (1969). Comparison of Two Legislative Proposals for Postal Reform: H.R. 11750 and H.R. 4, 91st Congress. [publisher not identified].

Chicago Style (17th ed.) Citation

Library of Congress. Legislative Reference Service and ProQuest (Firm). Comparison of Two Legislative Proposals for Postal Reform: H.R. 11750 and H.R. 4, 91st Congress. [Place of publication not identified]: [publisher not identified], 1969.

MLA (9th ed.) Citation

Library of Congress. Legislative Reference Service and ProQuest (Firm). Comparison of Two Legislative Proposals for Postal Reform: H.R. 11750 and H.R. 4, 91st Congress. [publisher not identified], 1969.