American Geological Institute. Conference, Duluth. (1962). Geology and earth sciences sourcebook for elementary and secondary schools. Holt,Rinehart and Winston.
Chicago Style (17th ed.) CitationAmerican Geological Institute. Conference, Duluth. Geology and Earth Sciences Sourcebook for Elementary and Secondary Schools. New York: Holt,Rinehart and Winston, 1962.
MLA (9th ed.) CitationAmerican Geological Institute. Conference, Duluth. Geology and Earth Sciences Sourcebook for Elementary and Secondary Schools. Holt,Rinehart and Winston, 1962.
Warning: These citations may not always be 100% accurate.