Cita APA (7a ed.)
American Society of Safety Engineers. Professional safety. American Society of Safety Engineers.
Cita Chicago Style (17a ed.)
American Society of Safety Engineers. Professional Safety. [Des Plaines, IL, etc.]: American Society of Safety Engineers.
Cita MLA (9a ed.)
American Society of Safety Engineers. Professional Safety. American Society of Safety Engineers.
Precaución: Estas citas no son 100% exactas.