APA Edition Citation

Duff, P. (1993). Holmes'principles of Physical Geology, 4th ed. Chapman &Hall.

Chicago Edition Citation

Duff, P.McL.D. Holmes'principles of Physical Geology, 4th Ed. London: Chapman &Hall, 1993.

MLA Edition Citation

Duff, P.McL.D. Holmes'principles of Physical Geology, 4th Ed. Chapman &Hall, 1993.

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