Cita APA (7a ed.)

(1994). Census of Population and Housing, 1990 [United States] Summary Tape File 4A / United States Department of Commerce. Bureau of the Census. [electronic resource].

Cita Chicago Style (17a ed.)

Census of Population and Housing, 1990 [United States] Summary Tape File 4A / United States Department of Commerce. Bureau of the Census. [electronic Resource]. 1994.

Cita MLA (9a ed.)

Census of Population and Housing, 1990 [United States] Summary Tape File 4A / United States Department of Commerce. Bureau of the Census. [electronic Resource]. 1994.