BBC Wales, Warner Home Video (Firm), Collinson, P., Davies, R. T., Ahearne, J., Boak, K., . . . Seaborne, G. Doctor Who.
Chicago Style (17th ed.) CitationBBC Wales, et al. Doctor Who.
MLA (8th ed.) CitationBBC Wales, et al. Doctor Who.
Warning: These citations may not always be 100% accurate.