APA
Robert S. Thompson ; Katherine H. Anderson ; Patrick J. Bartlein ; Sharon A. Smith, . (2000). Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in Noth America: Introduction and Conifers. Virginia: U.S. Geological Survey.
Chicago
Robert S. Thompson ; Katherine H. Anderson ; Patrick J. Bartlein ; Sharon A. Smith, . 2000. Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in Noth America: Introduction and Conifers. Virginia: U.S. Geological Survey.
Harvard
Robert S. Thompson ; Katherine H. Anderson ; Patrick J. Bartlein ; Sharon A. Smith, . (2000). Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in Noth America: Introduction and Conifers. Virginia: U.S. Geological Survey.
MLA
Robert S. Thompson ; Katherine H. Anderson ; Patrick J. Bartlein ; Sharon A. Smith, . Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in Noth America: Introduction and Conifers. Virginia: U.S. Geological Survey. 2000.
