APA (7th ed.) Citation

United States. Bureau of the Census & ProQuest (Firm). (1961). A Statistical Abstract supplement. Congressional District Data Book (Districts of the 87th Congress). [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of the Census and ProQuest (Firm). A Statistical Abstract Supplement. Congressional District Data Book (Districts of the 87th Congress). Washington: [publisher not identified], 1961.

MLA (9th ed.) Citation

United States. Bureau of the Census and ProQuest (Firm). A Statistical Abstract Supplement. Congressional District Data Book (Districts of the 87th Congress). [publisher not identified], 1961.

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