WETA-TV (Television station : Washington, D.C.), PBS Home Video, & MacNeil, R. (2007). America at a crossroads. PBS Home Video.
Cita Chicago Style (17a ed.)WETA-TV (Television station : Washington, D.C.), PBS Home Video, y Robert MacNeil. America at a Crossroads. [United States]: PBS Home Video, 2007.
Cita MLA (8a ed.)WETA-TV (Television station : Washington, D.C.), et al. America at a Crossroads. PBS Home Video, 2007.
Precaución: Estas citas no son 100% exactas.