APA (7th ed.) Citation

Burchfield, R. W., Donoghue, D., & Timothy, A. (1979). The quality of spoken English on BBC radio: A report for the BBC. BBC.

Chicago Style (17th ed.) Citation

Burchfield, Robert W., Denis Donoghue, and Andrew Timothy. The Quality of Spoken English on BBC Radio: A Report for the BBC. London: BBC, 1979.

MLA (9th ed.) Citation

Burchfield, Robert W., et al. The Quality of Spoken English on BBC Radio: A Report for the BBC. BBC, 1979.