APA (7th ed.) Citation

Allen, W. S. (1978). Keep up your english an intermediate english course. BBC.

Chicago Style (17th ed.) Citation

Allen, W. Stannard. Keep Up Your English an Intermediate English Course. BBC, 1978.

MLA (8th ed.) Citation

Allen, W. Stannard. Keep Up Your English an Intermediate English Course. BBC, 1978.

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