Cita APA (7th ed.)

Chatterton, D. J. (1972). Which microphone? Print and Press Services Ltd.

Cita Chicago (17th ed.)

Chatterton, Derek J. Which Microphone? Barnet (7 Alverstone Ave., Barnet, Herts. EN4 8DP): Print and Press Services Ltd, 1972.

Cita MLA (8th ed.)

Chatterton, Derek J. Which Microphone? Print and Press Services Ltd, 1972.