APA (7th ed.) Citation

National Fire Protection Association. (1990). National Electrical Code blueprint reading: Based on the 1990 National Electrical Code (11th ed.). American Technical Publishers, Inc..

Chicago Style (17th ed.) Citation

National Fire Protection Association. National Electrical Code Blueprint Reading: Based on the 1990 National Electrical Code. 11th ed. Homewood, Illinois: American Technical Publishers, Inc., 1990.

MLA (9th ed.) Citation

National Fire Protection Association. National Electrical Code Blueprint Reading: Based on the 1990 National Electrical Code. 11th ed. American Technical Publishers, Inc., 1990.