United States. Social Security Board, United States. Social Security Administration, United States. Social Security Administration. Office of Research and Statistics, & United States. Social Security Administration. Office of Research, Evaluation, and Statistics. (1938). Social security bulletin. [Social Security Administration].
Cita Chicago Style (17a ed.)United States. Social Security Board, United States. Social Security Administration, United States. Social Security Administration. Office of Research and Statistics, y Evaluation United States. Social Security Administration. Office of Research. Social Security Bulletin. [Washington, D.C.]: [Social Security Administration], 1938.
Cita MLA (9a ed.)United States. Social Security Board, et al. Social Security Bulletin. [Social Security Administration], 1938.
