Gaya APA

Lokon-Empung (Indonesia) March, May, and August Eruptions ; Plumes to 1.5 Km Over Summit. (). Washington: Smithsonian National Museum of Natural History.

Gaya MLA

Lokon-Empung (Indonesia) March, May, and August Eruptions ; Plumes to 1.5 Km Over Summit. . Washington: Smithsonian National Museum of Natural History, . .