APA (7th ed.) Citation

King, G. J. (1979). Audio equipment tests / (by) Gordon J. King. Newnes-Butterworths.

Chicago Style (17th ed.) Citation

King, Gordon J. Audio Equipment Tests / (by) Gordon J. King. London (etc.): Newnes-Butterworths, 1979.

MLA (9th ed.) Citation

King, Gordon J. Audio Equipment Tests / (by) Gordon J. King. Newnes-Butterworths, 1979.

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