United States. Congress. House. Committee on Public Buildings and Grounds & ProQuest (Firm). (1922). Extension of United States Botanic Garden. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Public Buildings and Grounds and ProQuest (Firm). Extension of United States Botanic Garden. Washington: [publisher not identified], 1922.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Public Buildings and Grounds and ProQuest (Firm). Extension of United States Botanic Garden. [publisher not identified], 1922.
Warning: These citations may not always be 100% accurate.