APA

Allen T. H., . (1978). New methods in social science research: policy sciences and futures research. New York: Praeger.

Chicago

Allen T Harrell, . 1978. New methods in social science research: policy sciences and futures research. New York: Praeger.

Harvard

Allen T. H., . (1978). New methods in social science research: policy sciences and futures research. New York: Praeger.

MLA

Allen T Harrell, . New methods in social science research: policy sciences and futures research. New York: Praeger. 1978.