APA (7th ed.) Citation

Clearinghouse on Election Administration (U.S.) & Election Data Services. (1981). Votingsystems users 81. National Clearinghouse on Election Administration, Federal Election Commission.

Chicago Style (17th ed.) Citation

Clearinghouse on Election Administration (U.S.) and Election Data Services. Votingsystems Users 81. [Washington, D.C.?]: National Clearinghouse on Election Administration, Federal Election Commission, 1981.

MLA (9th ed.) Citation

Clearinghouse on Election Administration (U.S.) and Election Data Services. Votingsystems Users 81. National Clearinghouse on Election Administration, Federal Election Commission, 1981.