Strahler, A. N., & Strahler, A. H. (1979). Elements of physical geography (2nd ed.). Wiley.
芝加哥风格引文Strahler, Arthur Newell, 与 Alan H. Strahler. Elements of Physical Geography. 2nd ed. New York: Wiley, 1979.
MLA引文Strahler, Arthur Newell, 与 Alan H. Strahler. Elements of Physical Geography. 2nd ed. Wiley, 1979.
警告：这些引文格式不一定是100％准确.