Miller, W. J. (1952). An introduction to historical geology: With special reference to North America (6th ed.). Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Miller, William J. An Introduction to Historical Geology: With Special Reference to North America. 6th ed. New York: Van Nostrand, 1952.
Lua MLA (9ú heag.)Miller, William J. An Introduction to Historical Geology: With Special Reference to North America. 6th ed. Van Nostrand, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.