Stahl, B. J. (1973). Vertebrate history: Problems in evolution. McGraw-Hill.
芝加哥风格引文Stahl, Barbara J. Vertebrate History: Problems in Evolution. New York: McGraw-Hill, 1973.
MLA引文Stahl, Barbara J. Vertebrate History: Problems in Evolution. McGraw-Hill, 1973.
警告：这些引文格式不一定是100％准确.