Cita APA

Bortz, A. (1969). Social security sources in Federal records, 1934-1950. Social Security Administration, Office of Research and Statistics; [for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Citación estilo Chicago

Bortz, Abe. Social Security Sources in Federal Records, 1934-1950. [Washington] U.S: Social Security Administration, Office of Research and Statistics; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1969.

Cita MLA

Bortz, Abe. Social Security Sources in Federal Records, 1934-1950. Social Security Administration, Office of Research and Statistics; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1969.