APA
Keith Alverson ; Rymond Bradley ; Thomas Pedersen, .Environmental Variability and Climate Change. : Past Global Changes.
Chicago
Keith Alverson ; Rymond Bradley ; Thomas Pedersen, .Environmental Variability and Climate Change. : Past Global Changes.
Harvard
Keith Alverson ; Rymond Bradley ; Thomas Pedersen, .Environmental Variability and Climate Change. : Past Global Changes.
MLA
Keith Alverson ; Rymond Bradley ; Thomas Pedersen, .: Past Global Changes. .
