APA (7th ed.) Citation

(1990). The eruption of Redoubt Volcano, Alaska, December 14, 1989 - August 31, 1990.

Chicago Style (17th ed.) Citation

The Eruption of Redoubt Volcano, Alaska, December 14, 1989 - August 31, 1990. Denver, CO, 1990.

MLA (9th ed.) Citation

The Eruption of Redoubt Volcano, Alaska, December 14, 1989 - August 31, 1990. 1990.

Warning: These citations may not always be 100% accurate.