APA (7th ed.) Citation

United States. Congress. Joint Committee on Printing & ProQuest (Firm). (1911). Official Congressional Directory. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. Joint Committee on Printing and ProQuest (Firm). Official Congressional Directory. Washington: [publisher not identified], 1911.

MLA (9th ed.) Citation

United States. Congress. Joint Committee on Printing and ProQuest (Firm). Official Congressional Directory. [publisher not identified], 1911.

Warning: These citations may not always be 100% accurate.