- & KNAPP, B. [. (1981). Practical foundations of physical geograpgy. George Allaen and Unwin.
Chicago Style (17th ed.) Citation- and Brian [Ed.] KNAPP. Practical Foundations of Physical Geograpgy. London: George Allaen and Unwin, 1981.
MLA (9th ed.) Citation- and Brian [Ed.] KNAPP. Practical Foundations of Physical Geograpgy. George Allaen and Unwin, 1981.
Warning: These citations may not always be 100% accurate.