Cita APA (7a ed.)
Vries, D. d., & Goldin, J. G. Life After People. A + E Networks, The History Channel : New Video [dist.].
Cita estilo Chicago (17a ed.)
Vries, David de, y James Grant Goldin. Life After People. EUA: A + E Networks, The History Channel : New Video [dist.].
Cita MLA (9a ed.)
Vries, David de, y James Grant Goldin. Life After People. A + E Networks, The History Channel : New Video [dist.].
Precaución: Estas citas no son 100% exactas.