United States. Bureau of the Census. Geography Division & United States. Bureau of the Census. Data Preparation Division. (1992). Black persons as a percent of total population, 1990. The Bureau.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Geography Division and United States. Bureau of the Census. Data Preparation Division. Black Persons as a Percent of Total Population, 1990. [Washington, D.C.?]: The Bureau, 1992.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Geography Division and United States. Bureau of the Census. Data Preparation Division. Black Persons as a Percent of Total Population, 1990. The Bureau, 1992.
Warning: These citations may not always be 100% accurate.