APA Citation

Duff, P. M. D. [. (1996). Holmes' principles of physical geology (4th ed.). London: Educational Low Priced Books Scheme.

Chicago Style Citation

Duff, P. McL. D. [ed.]. Holmes' Principles of Physical Geology. 4th ed. London: Educational Low Priced Books Scheme, 1996.

MLA Citation

Duff, P. McL. D. [ed.]. Holmes' Principles of Physical Geology. 4th ed. London: Educational Low Priced Books Scheme, 1996.

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