Cita APA (7a ed.)

Armstrong, T. O., & Bloomfield, J. J. (1943). Industrial safety. Prentice-Hall.

Cita Chicago Style (17a ed.)

Armstrong, Thomas Orwell, y J. J. Bloomfield. Industrial Safety. New York: Prentice-Hall, 1943.

Cita MLA (8a ed.)

Armstrong, Thomas Orwell, y J. J. Bloomfield. Industrial Safety. Prentice-Hall, 1943.