APA (7th ed.) Citation

Hawaiian Volcano Observatory & Hawaiian Volcano Research Association. (1919). Monthly bulletin of the Hawaiian Volcano Observatory. Hawaiian Volcano Research Association.

Chicago Style (17th ed.) Citation

Hawaiian Volcano Observatory and Hawaiian Volcano Research Association. Monthly Bulletin of the Hawaiian Volcano Observatory. Honolulu, Hawaii: Hawaiian Volcano Research Association, 1919.

MLA (8th ed.) Citation

Hawaiian Volcano Observatory and Hawaiian Volcano Research Association. Monthly Bulletin of the Hawaiian Volcano Observatory. Hawaiian Volcano Research Association, 1919.