Gaya APA

America, S, S, O. (2012). Seismological Reserach Letters Volume 83, Number 4 (July/August 2012). California: Seismological Society Of America.

Gaya MLA

America, Seismological, Society, Of. "Seismological Reserach Letters Volume 83, Number 4". July/August 2012 California: Seismological Society Of America, 2012. Jurnal.