Franklin

MLA

Population Trends : a Study of Population Facts Significant to Pennsylvania's Present and Future Planning. [Harrisburg]: Greater Pennsylvania Council, 1932.

APA

(1932). Population trends : a study of population facts significant to Pennsylvania's present and future planning. [Harrisburg]: Greater Pennsylvania Council.

Chicago

Population Trends: A Study of Population Facts Significant to Pennsylvania's Present and Future Planning. [Harrisburg]: Greater Pennsylvania Council, 1932.