APA (7th ed.) Citation

Frazier, J. B. (1993). Congressional districts: Sources of maps and demographic information. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Frazier, Judith B. Congressional Districts: Sources of Maps and Demographic Information. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1993.

MLA (9th ed.) Citation

Frazier, Judith B. Congressional Districts: Sources of Maps and Demographic Information. Congressional Research Service, Library of Congress, 1993.