National Geophysical Data Center. (2001). ETOPO2 global 2ʹ elevations. National Geophysical Data Center.
Chicago Style (17th ed.) CitationNational Geophysical Data Center. ETOPO2 Global 2ʹ Elevations. [Boulder, Colo.]: National Geophysical Data Center, 2001.
MLA (8th ed.) CitationNational Geophysical Data Center. ETOPO2 Global 2ʹ Elevations. National Geophysical Data Center, 2001.
Warning: These citations may not always be 100% accurate.