APA (7th ed.) Citation

(1977). Geothermal: Nature's boiler [kasetvideo]. Washington, D C : National Audio Visual Center.

Chicago Style (17th ed.) Citation

Geothermal: Nature's Boiler [kasetvideo]. Washington, D C : National Audio Visual Center, 1977.

MLA (9th ed.) Citation

Geothermal: Nature's Boiler [kasetvideo]. Washington, D C : National Audio Visual Center, 1977.

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