ProQuest (Firm). (1929). Points of historic interest in the National Capital selected by the Committee on Marking Points of Historic Interest. [publisher not identified].
Chicago Style (17th ed.) CitationProQuest (Firm). Points of Historic Interest in the National Capital Selected by the Committee on Marking Points of Historic Interest. Washington: [publisher not identified], 1929.
MLA (9th ed.) CitationProQuest (Firm). Points of Historic Interest in the National Capital Selected by the Committee on Marking Points of Historic Interest. [publisher not identified], 1929.
Warning: These citations may not always be 100% accurate.