APA (7th ed.) Citation

Garland, J. D. (1981). 1981 National Electrical Code: Questions and answers. Prentice-Hall.

Chicago Style (17th ed.) Citation

Garland, J. D. 1981 National Electrical Code: Questions and Answers. Englewood Cliffs, N.J.: Prentice-Hall, 1981.

MLA (9th ed.) Citation

Garland, J. D. 1981 National Electrical Code: Questions and Answers. Prentice-Hall, 1981.