Agar,William M, Flint, R. F., & Longwell, C. R. (1929). Geology from original sources: Organized collateral readings for students in general geology. Holt and company.
Chicago Style (17th ed.) CitationAgar,William M, Richard Foster Flint, and Chester R. Longwell. Geology from Original Sources: Organized Collateral Readings for Students in General Geology. New York: Holt and company, 1929.
MLA (9th ed.) CitationAgar,William M, et al. Geology from Original Sources: Organized Collateral Readings for Students in General Geology. Holt and company, 1929.
Warning: These citations may not always be 100% accurate.