U.S.A., measure of a nation :
a graphic presentation of America's needs and resources /
by Thomas R. Carskadon and Rudolf Modley. Prepared by the Twentieth Century Fund.

APA Citation

Twentieth Century Fund., Modley, R., Carskadon, T. R. (1949). U.S.A., measure of a nation: a graphic presentation of America's needs and resources. New York: Macmillan Co..

MLA Citation

Twentieth Century Fund, Rudolf Modley, and T. R Carskadon. U.S.A., Measure of a Nation: a Graphic Presentation of America's Needs And Resources. New York: Macmillan Co., 1949.

Warning: These citations may not always be complete (especially for serials).