APA (7th ed.) Citation

Heliker, C. C., & Brantley, S. R. (2004). The ongoing Puʻu ʻŌʻō-Kūpaianaha eruption of Kīlauea Volcano, Hawaiʻi. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Heliker, C. C., and Steven R. Brantley. The Ongoing Puʻu ʻŌʻō-Kūpaianaha Eruption of Kīlauea Volcano, Hawaiʻi. Hawaii Volcanoes National Park, HI: U.S. Geological Survey, 2004.

MLA (9th ed.) Citation

Heliker, C. C., and Steven R. Brantley. The Ongoing Puʻu ʻŌʻō-Kūpaianaha Eruption of Kīlauea Volcano, Hawaiʻi. U.S. Geological Survey, 2004.