APA (7th ed.) Citation

Holmes, A. (1981). Principles of physical geology (3. ed., reprinted.). Nelson.

Chicago Style (17th ed.) Citation

Holmes, Arthur. Principles of Physical Geology. 3. ed., reprinted. Walton-on-Thames: Nelson, 1981.

MLA (9th ed.) Citation

Holmes, Arthur. Principles of Physical Geology. 3. ed., reprinted. Nelson, 1981.