Gaya APA

Newhall, C., Bronto, S. (1983). Report of Official FIeld Trip to Some Volcanoes in Indonesia, Post - Krakatau Symposium, 1983 (November 1983). Bandung: .

Gaya MLA

Newhall, C.., Bronto, S.. "Report of Official FIeld Trip to Some Volcanoes in Indonesia, Post - Krakatau Symposium, 1983". November 1983 Bandung: , 1983. Text.