APA (7th ed.) Citation

Earley, M. W., Murray, R. H., & Caloggero, J. M. National electrical code handbook (6a ed.).

Chicago Style (17th ed.) Citation

Earley, Mark W., Richard H. Murray, and John M. Caloggero. National Electrical Code Handbook. 6a ed.

MLA (8th ed.) Citation

Earley, Mark W., et al. National Electrical Code Handbook. 6a ed.