(2019). When whales walked: Journeys in deep time (Widescreen.). PBS.
Cita Chicago Style (17a ed.)When Whales Walked: Journeys in Deep Time. Widescreen. [Arlington, Virginia]: PBS, 2019.
Cita MLA (8a ed.)When Whales Walked: Journeys in Deep Time. Widescreen. PBS, 2019.
Precaución: Estas citas no son 100% exactas.