Social security
MLA
Stewart, Maxwell S. and United States. Social security. Revised and enlarged edition. New York : W. W. Norton & company, [1939]
APA
Stewart, M. & United States. (1939). Social security. Revised and enlarged edition. New York : W. W. Norton & company.
Chicago
Stewart, Maxwell S. and United States. Social security. Revised and enlarged edition. New York : W. W. Norton & company, [1939]