APA aipamena

Charles Schuchert and Carl O dunbar. (1931). Outlines of Historical Geology. John Wiley.

Chicago Style aipamena

Charles Schuchert and Carl O dunbar. Outlines of Historical Geology. New York: John Wiley, 1931.

MLA aipamena

Charles Schuchert and Carl O dunbar. Outlines of Historical Geology. John Wiley, 1931.