United States. Congress. House, ProQuest (Firm), & United States. Congress. House. Committee on the District of Columbia. (1950). Defining and regulating the practice of the profession of engineering and creating a Board of Registration for Professional Engineers in the District of Columbia. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House, ProQuest (Firm), and United States. Congress. House. Committee on the District of Columbia. Defining and Regulating the Practice of the Profession of Engineering and Creating a Board of Registration for Professional Engineers in the District of Columbia. Washington: [publisher not identified], 1950.
MLA (9th ed.) CitationUnited States. Congress. House, et al. Defining and Regulating the Practice of the Profession of Engineering and Creating a Board of Registration for Professional Engineers in the District of Columbia. [publisher not identified], 1950.