APA (7th ed.) Citation

Cole, K. L. (2008). Prehistoric packrats piled up clues to climate change (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Cole, Kenneth L. Prehistoric Packrats Piled Up Clues to Climate Change. Version 1.0. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2008.

MLA (9th ed.) Citation

Cole, Kenneth L. Prehistoric Packrats Piled Up Clues to Climate Change. Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2008.