Cita APA (7a ed.)
National Fire Protection Association. (1997). NFPA update. National Fire Protection Association.
Cita Chicago Style (17a ed.)
National Fire Protection Association. NFPA Update. Quincy, Mass: National Fire Protection Association, 1997.
Cita MLA (9a ed.)
National Fire Protection Association. NFPA Update. National Fire Protection Association, 1997.
Precaución: Estas citas no son 100% exactas.