APA (7th ed.) Citation

United States. Bureau of the Census. Geography Division, United States. Bureau of the Census. Population Division, & United States. Bureau of the Census. Data Preparation Division. (1986). Congressional districts of the 100th Congress of the United States (January 1987 to January 1989). The Bureau.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Geography Division, United States. Bureau of the Census. Population Division, and United States. Bureau of the Census. Data Preparation Division. Congressional Districts of the 100th Congress of the United States (January 1987 to January 1989). [Washington, D.C.?]: The Bureau, 1986.

MLA (9th ed.) Citation

United States. Bureau of the Census. Geography Division, et al. Congressional Districts of the 100th Congress of the United States (January 1987 to January 1989). The Bureau, 1986.