APA (7th ed.) Citation

British Broadcasting Corporation & Attenborough, D. (1981). Themes and variations.

Chicago Style (17th ed.) Citation

British Broadcasting Corporation and David Attenborough. Themes and Variations. British Broadcasting Corporation, 1981.

MLA (9th ed.) Citation

British Broadcasting Corporation and David Attenborough. Themes and Variations. 1981.

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