APA

United States, . (1947). Estimated population of continental United States, for selected dates: April 1, 1940, to January 1, 1947. Washington 25, D.C: Department of Commerce, Bureau of the Census.

Chicago

United States, . 1947. Estimated population of continental United States, for selected dates: April 1, 1940, to January 1, 1947. Washington 25, D.C: Department of Commerce, Bureau of the Census.

Harvard

United States, . (1947). Estimated population of continental United States, for selected dates: April 1, 1940, to January 1, 1947. Washington 25, D.C: Department of Commerce, Bureau of the Census.

MLA

United States, . Estimated population of continental United States, for selected dates: April 1, 1940, to January 1, 1947. Washington 25, D.C: Department of Commerce, Bureau of the Census. 1947.