(2011). Protecting black-footed ferrets and prairie dogs against sylvatic plague (Revised edition.). U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationProtecting Black-footed Ferrets and Prairie Dogs Against Sylvatic Plague. Revised edition. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2011.
MLA (9th ed.) CitationProtecting Black-footed Ferrets and Prairie Dogs Against Sylvatic Plague. Revised edition. U.S. Department of the Interior, U.S. Geological Survey, 2011.
Warning: These citations may not always be 100% accurate.