Cita APA

U.S. Department of Labor. (1967). Handbook of labor statistics 1967. U.S. Gov't. Printing Office.

Citación estilo Chicago

U.S. Department of Labor. Handbook of Labor Statistics 1967. Washington, D.C: U.S. Gov't. Printing Office, 1967.

Cita MLA

U.S. Department of Labor. Handbook of Labor Statistics 1967. U.S. Gov't. Printing Office, 1967.