Gaya APA

Karangetang (Indonesia) February-December Included Explosions, ash Falls, Lava, Flows, and Debris Flows. (). Washington: Smithsonian National Museum of Natural History.

Gaya MLA

Karangetang (Indonesia) February-December Included Explosions, ash Falls, Lava, Flows, and Debris Flows. . Washington: Smithsonian National Museum of Natural History, . .