Cita APA (7a ed.)

Levitan, S. A., Mangum, G. L., & Marshall, F. R. (1976). Human resources and labor markets: Labor and manpower in the American economy (2nd ed.). Harper & Row.

Cita Chicago Style (17a ed.)

Levitan, Sar A., Garth L. Mangum, y F. Ray Marshall. Human Resources and Labor Markets: Labor and Manpower in the American Economy. 2nd ed. New York: Harper & Row, 1976.

Cita MLA (9a ed.)

Levitan, Sar A., et al. Human Resources and Labor Markets: Labor and Manpower in the American Economy. 2nd ed. Harper & Row, 1976.