Cita APA

National Fire Protection Association, Murray, R. H., Caloggero, J. M., O Connor, J. A., & Earley, M. W. (1992). National electrical code handbook (Sixth Edition.). Quincy, Massachusetts: NFPA.

Citación estilo Chicago

National Fire Protection Association, Richard H. Murray, John M. Caloggero, Jean A. O Connor, y Mark W. Earley. National Electrical Code Handbook. Sixth Edition. Quincy, Massachusetts: NFPA, 1992.

Cita MLA

National Fire Protection Association, et al. National Electrical Code Handbook. Sixth Edition. Quincy, Massachusetts: NFPA, 1992.