United States. Congress. Senate. Committee on Public Buildings and Grounds & ProQuest (Firm). (1929). Authorizing slight changes in the Rock Creek and Potomac Parkway, without increase of cost. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Public Buildings and Grounds and ProQuest (Firm). Authorizing Slight Changes in the Rock Creek and Potomac Parkway, Without Increase of Cost. Washington: [publisher not identified], 1929.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Public Buildings and Grounds and ProQuest (Firm). Authorizing Slight Changes in the Rock Creek and Potomac Parkway, Without Increase of Cost. [publisher not identified], 1929.
Warning: These citations may not always be 100% accurate.