APA (7th ed.) Citation

(1989). National Electrical code blueprint reading: Based on the 1990 National Electrical code (11th ed.). American Technical Publishers.

Chicago Style (17th ed.) Citation

National Electrical Code Blueprint Reading: Based on the 1990 National Electrical Code. 11th ed. Homewood: American Technical Publishers, 1989.

MLA (9th ed.) Citation

National Electrical Code Blueprint Reading: Based on the 1990 National Electrical Code. 11th ed. American Technical Publishers, 1989.

Warning: These citations may not always be 100% accurate.