ITN Factual (Firm), PBS Home Video, Sapin, P., & Bingham, B. (2005). Leonardo's dream machines (Widescreen version.). PBS Home Video.
Cita Chicago Style (17a ed.)ITN Factual (Firm), PBS Home Video, Paul Sapin, y Bill Bingham. Leonardo's Dream Machines. Widescreen version. [S.l.]: PBS Home Video, 2005.
Cita MLA (8a ed.)ITN Factual (Firm), et al. Leonardo's Dream Machines. Widescreen version. PBS Home Video, 2005.
Precaución: Estas citas no son 100% exactas.