Deismireacht APA

Kummel, B. (1961). History of the earth: :An introduction to historical geology. Eurasia.

Chicago Edition Citation

Kummel, Bernhard. History of the Earth: :An Introduction to Historical Geology. New Delhi: Eurasia, 1961.

Deismireacht MLA

Kummel, Bernhard. History of the Earth: :An Introduction to Historical Geology. Eurasia, 1961.

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