APA (7th ed.) Citation

Owen, R. (1980). Countdown to English: An intermediate course for examinations. English by Radio and Television, BBC.

Chicago Style (17th ed.) Citation

Owen, Roger. Countdown to English: An Intermediate Course for Examinations. London: English by Radio and Television, BBC, 1980.

MLA (9th ed.) Citation

Owen, Roger. Countdown to English: An Intermediate Course for Examinations. English by Radio and Television, BBC, 1980.

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