APA (7th ed.) Citation

United States. Congress. House. Committee on the District of Columbia & ProQuest (Firm). (1956). Authorizing the appropriation of funds for the construction of certain highway-railroad grade separations in the District of Columbia. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on the District of Columbia and ProQuest (Firm). Authorizing the Appropriation of Funds for the Construction of Certain Highway-railroad Grade Separations in the District of Columbia. Washington: [publisher not identified], 1956.

MLA (9th ed.) Citation

United States. Congress. House. Committee on the District of Columbia and ProQuest (Firm). Authorizing the Appropriation of Funds for the Construction of Certain Highway-railroad Grade Separations in the District of Columbia. [publisher not identified], 1956.