APA (7th ed.) Citation

Say, M. G. (1973). Electrical engineer's reference book. London : Butterworths.

Chicago Style (17th ed.) Citation

Say, M. G. Electrical Engineer's Reference Book. London : Butterworths, 1973.

MLA (9th ed.) Citation

Say, M. G. Electrical Engineer's Reference Book. London : Butterworths, 1973.

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