ECU Libraries Catalog

Population and economic activity in the United States and standard metropolitan statistical areas, historical and projected, 1950-2020

MLA

Population and Economic Activity In the United States and Standard Metropolitan Statistical Areas, Historical and Projected, 1950-2020. Springfield, Va.: Reproduced by National Technical Information Service, 1972.

APA

(1972). Population and economic activity in the United States and standard metropolitan statistical areas, historical and projected, 1950-2020. Springfield, Va.: Reproduced by National Technical Information Service.

Chicago

Population and Economic Activity In the United States and Standard Metropolitan Statistical Areas, Historical and Projected, 1950-2020. Springfield, Va.: Reproduced by National Technical Information Service, 1972.