Crill, P., & Varner, R. K. (2000). BOREAS TGB-1 soil CH₄ and CO₂ profile data from NSA tower sites. National Aeronautics and Space Administration, Goddard Space Flight Center.
Chicago Style (17th ed.) CitationCrill, Patrick, and Ruth K. Varner. BOREAS TGB-1 Soil CH₄ and CO₂ Profile Data from NSA Tower Sites. Greenbelt, Maryland: National Aeronautics and Space Administration, Goddard Space Flight Center, 2000.
MLA (9th ed.) CitationCrill, Patrick, and Ruth K. Varner. BOREAS TGB-1 Soil CH₄ and CO₂ Profile Data from NSA Tower Sites. National Aeronautics and Space Administration, Goddard Space Flight Center, 2000.
Warning: These citations may not always be 100% accurate.