APA Citation

(1999). U.S. population change, 1970-1980. [S.l.]: Maps.com.

Chicago Style Citation

U.S. Population Change, 1970-1980. [S.l.]: Maps.com, 1999.

MLA Citation

U.S. Population Change, 1970-1980. [S.l.]: Maps.com, 1999.

Warning: These citations may not always be 100% accurate.