APA (7th ed.) Citation

Sayers, D. L., & Carmichael, I. (2002). Clouds of witness. BBC Audiobooks America.

Chicago Style (17th ed.) Citation

Sayers, Dorothy L., and Ian Carmichael. Clouds of Witness. North Kingstown, RI: BBC Audiobooks America, 2002.

MLA (8th ed.) Citation

Sayers, Dorothy L., and Ian Carmichael. Clouds of Witness. BBC Audiobooks America, 2002.

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