Tyrrell, G. W. (1929). The principles of petrology: An introduction to the science of rocks ([2nd ed.].). Methuen.
Chicago Style (17th ed.) CitationTyrrell, G. W. The Principles of Petrology: An Introduction to the Science of Rocks. [2nd ed.]. London: Methuen, 1929.
MLA (8th ed.) CitationTyrrell, G. W. The Principles of Petrology: An Introduction to the Science of Rocks. [2nd ed.]. Methuen, 1929.
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