Citação norma APA

National Fire Protection Association & American National Standards Institute. (2004). National electrical code: 2005 (2005 ed.). National Fire Protection Association.

Citação norma Chicago

National Fire Protection Association and American National Standards Institute. National Electrical Code: 2005. 2005 ed. Quincy, Mass: National Fire Protection Association, 2004.

Citação norma MLA

National Fire Protection Association and American National Standards Institute. National Electrical Code: 2005. 2005 ed. National Fire Protection Association, 2004.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.