Levetin, E., & McMahon, K. (2011). Plants & society (6th ed.). McGraw-Hill.
芝加哥风格引文Levetin, Estelle, 与 Karen McMahon. Plants & Society. 6th ed. New York: McGraw-Hill, 2011.
MLA引文Levetin, Estelle, 与 Karen McMahon. Plants & Society. 6th ed. McGraw-Hill, 2011.
警告：这些引文格式不一定是100％准确.