Easton, W. H. (1962). Carboniferous formations and faunas of central Montana. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationEaston, William H. Carboniferous Formations and Faunas of Central Montana. Washington: United States Department of the Interior, Geological Survey, 1962.
MLA (9th ed.) CitationEaston, William H. Carboniferous Formations and Faunas of Central Montana. United States Department of the Interior, Geological Survey, 1962.
Warning: These citations may not always be 100% accurate.