APA

United States, . (1991). The social security strategic plan: a framework for the future. Washington: Social Security Administration.

Chicago

United States, . 1991. The social security strategic plan: a framework for the future. Washington: Social Security Administration.

Harvard

United States, . (1991). The social security strategic plan: a framework for the future. Washington: Social Security Administration.

MLA

United States, . The social security strategic plan: a framework for the future. Washington: Social Security Administration. 1991.