Cita APA

(1978). Coal: The other energy [kasetvideo]. Washington, D C : National Audio Visual Center.

Citación estilo Chicago

Coal: The Other Energy [kasetvideo]. Washington, D C : National Audio Visual Center, 1978.

Cita MLA

Coal: The Other Energy [kasetvideo]. Washington, D C : National Audio Visual Center, 1978.

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