APA (7th ed.) Citation

British Broadcasting Corporation & Gyles, A. B. (1992). The Piero Trail. British Broadcasting Corporation (BBC).

Chicago Style (17th ed.) Citation

British Broadcasting Corporation and Anna Benson Gyles. The Piero Trail. London, England: British Broadcasting Corporation (BBC), 1992.

MLA (9th ed.) Citation

British Broadcasting Corporation and Anna Benson Gyles. The Piero Trail. British Broadcasting Corporation (BBC), 1992.

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