Holmes, A. (1969). Principles of physical geology (2., ed., compl. rev. Repr.). Nelson.
Chicago Style (17th ed.) CitationHolmes, Arthur. Principles of Physical Geology. 2., ed., compl. rev. Repr. London <<[u.a.]>>: Nelson, 1969.
MLA (9th ed.) CitationHolmes, Arthur. Principles of Physical Geology. 2., ed., compl. rev. Repr. Nelson, 1969.
Warning: These citations may not always be 100% accurate.