Schuchert C Charles & Dunbar C. O. Carl. (1941). TEXT BOOK of GEOLOGY; Part II- Historical geology (4th ed.). New York, John Wiley & Sons, Inc., 1941.
Chicago Style (17th ed.) CitationSchuchert C Charles and Dunbar C. O. Carl. TEXT BOOK of GEOLOGY; Part II- Historical Geology. 4th ed. New York, John Wiley & Sons, Inc., 1941, 1941.
MLA (9th ed.) CitationSchuchert C Charles and Dunbar C. O. Carl. TEXT BOOK of GEOLOGY; Part II- Historical Geology. 4th ed. New York, John Wiley & Sons, Inc., 1941, 1941.
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