APA (7th ed.) Citation

Guillou, F., & Gray C. (1975). Beginner's guide to electric wiring. Butterworth.

Chicago Style (17th ed.) Citation

Guillou, F., and Gray C. Beginner's Guide to Electric Wiring. England: Butterworth, 1975.

MLA (9th ed.) Citation

Guillou, F., and Gray C. Beginner's Guide to Electric Wiring. Butterworth, 1975.