APA

United States, .Fast facts & figures about social security. Washington, D.C: Social Security Administration, Office of Policy, Office of Research, Evaluation, and Statistics.

Chicago

United States, .Fast facts & figures about social security. Washington, D.C: Social Security Administration, Office of Policy, Office of Research, Evaluation, and Statistics.

Harvard

United States, .Fast facts & figures about social security. Washington, D.C: Social Security Administration, Office of Policy, Office of Research, Evaluation, and Statistics.

MLA

United States, .Washington, D.C: Social Security Administration, Office of Policy, Office of Research, Evaluation, and Statistics. .