Population Projections for Pennsylvania and Counties, 1970-2000.

MLA

Pennsylvania State Dept. of Education, Harrisburg.Bureau of Information Systems., and John Senier. Population Projections for Pennsylvania and Counties, 1970-2000. Sept. 1975. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=eric&AN=ED118990&authtype=sso&custid=ns315887.

APA

Pennsylvania State Dept. of Education, H. B. of I. S., & Senier, J. (1975). Population Projections for Pennsylvania and Counties, 1970-2000.

Chicago

Pennsylvania State Dept. of Education, Harrisburg. Bureau of Information Systems., and John Senier. 1975. “Population Projections for Pennsylvania and Counties, 1970-2000,” September. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=eric&AN=ED118990&authtype=sso&custid=ns315887.