Cita APA (7a ed.)

Hammer, W. (1976). Occupational Safety Management and Engineering. Prentice-Hall Inc..

Cita Chicago Style (17a ed.)

Hammer, Willie. Occupational Safety Management and Engineering. New Jersey: Prentice-Hall Inc., 1976.

Cita MLA (9a ed.)

Hammer, Willie. Occupational Safety Management and Engineering. Prentice-Hall Inc., 1976.