APA (7th ed.) Citation

Clifford. (1993). The new handbook for electricians: Based on the 1993 NEC. PTR Prentice Hall.

Chicago Style (17th ed.) Citation

Clifford. The New Handbook for Electricians: Based on the 1993 NEC. New York: PTR Prentice Hall, 1993.

MLA (8th ed.) Citation

Clifford. The New Handbook for Electricians: Based on the 1993 NEC. PTR Prentice Hall, 1993.