Cita APA (7th ed.)

Wolfbein, S. L. (1964). Employment and unemployment in the United States: A study of the American labor force. Science Research Associates.

Cita Chicago (17th ed.)

Wolfbein, Seymour L. Employment and Unemployment in the United States: A Study of the American Labor Force. Chicago: Science Research Associates, 1964.

Cita MLA (8th ed.)

Wolfbein, Seymour L. Employment and Unemployment in the United States: A Study of the American Labor Force. Science Research Associates, 1964.