Strahler, A. H., & Strahler, A. N. (1998). Introducing physical geography (2nd ed.). Wiley.
芝加哥风格引文Strahler, Alan H., 与 Arthur Newell Strahler. Introducing Physical Geography. 2nd ed. New York: Wiley, 1998.
MLA引文Strahler, Alan H., 与 Arthur Newell Strahler. Introducing Physical Geography. 2nd ed. Wiley, 1998.
警告：这些引文格式不一定是100％准确.