Cita APA (7a ed.)

American Society of Safety Professionals & American Society of Safety Engineers. (1974). Professional safety: Official journal of the American Society of Safety Professionals.

Cita Chicago Style (17a ed.)

American Society of Safety Professionals y American Society of Safety Engineers. Professional Safety: Official Journal of the American Society of Safety Professionals. Park Ridge, Ill, 1974.

Cita MLA (9a ed.)

American Society of Safety Professionals y American Society of Safety Engineers. Professional Safety: Official Journal of the American Society of Safety Professionals. 1974.