APA (7th ed.) Citation

BBC & WGBH. otros. (2002). Why the towers fell. WGBH Boston Video.

Chicago Style (17th ed.) Citation

BBC and WGBH. otros. Why the Towers Fell. Boston, MA: WGBH Boston Video, 2002.

MLA (9th ed.) Citation

BBC and WGBH. otros. Why the Towers Fell. WGBH Boston Video, 2002.

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