APA Edition Citation

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

Chicago Edition Citation

Kummel, Bernhard. History of the Earth: An Introduction to Historical Geology. Newdelhi: Eurasia publishing house pvt. ltd, 1961.

MLA Edition Citation

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

Warning: These citations may not always be 100% accurate.