APA (7th ed.) Citation

Kopp, R. E., & Kirschvink, J. L. (2004). The Earth's Worst Climate Disaster. NHK (Japan Broadcasting Corporation).

Chicago Style (17th ed.) Citation

Kopp, Robert E., and Joseph L. Kirschvink. The Earth's Worst Climate Disaster. NHK (Japan Broadcasting Corporation), 2004.

MLA (9th ed.) Citation

Kopp, Robert E., and Joseph L. Kirschvink. The Earth's Worst Climate Disaster. NHK (Japan Broadcasting Corporation), 2004.

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