Cita APA (7a ed.)

Barrett, R. E. (1994). Using the 1990 U.S. census for research. Sage Publications.

Cita Chicago Style (17a ed.)

Barrett, Richard Edward. Using the 1990 U.S. Census for Research. Thousand Oaks [etc.]: Sage Publications, 1994.

Cita MLA (9a ed.)

Barrett, Richard Edward. Using the 1990 U.S. Census for Research. Sage Publications, 1994.