Gaya APA
Monthly Bulletin of the Hawaiian Volcano Observatory Vol. XII Honolulu, Hawaii, January 1924 No. 1. ().
HAWAII:
U.S. Departemen of Agriculture.
Gaya MLA
Monthly Bulletin of the Hawaiian Volcano Observatory Vol. XII Honolulu, Hawaii, January 1924 No. 1.
.
HAWAII:
U.S. Departemen of Agriculture,
.
.