Cita APA (7a ed.)

Witt, M. (1979). Dangerous substances and the US worker: Current practice and viewpoints. International Labour Organization.

Cita Chicago Style (17a ed.)

Witt, Matt. Dangerous Substances and the US Worker: Current Practice and Viewpoints. International Labour Organization, 1979.

Cita MLA (9a ed.)

Witt, Matt. Dangerous Substances and the US Worker: Current Practice and Viewpoints. International Labour Organization, 1979.