APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

Kummel, Bernhard. History of the Earth: An Introduction to Historical Geology. San Francisco: W.H. Freeman, 1961.

MLA način citiranja (8. izdanje)

Kummel, Bernhard. History of the Earth: An Introduction to Historical Geology. W.H. Freeman, 1961.