ebrary, Inc, & Buol, S. W. (2011). Soil genesis and classification (6th ed.). Wiley-Blackwell.
芝加哥风格引文ebrary, Inc, 与 S. W. Buol. Soil Genesis and Classification. 6th ed. Chichester, West Sussex ; Ames, Iowa: Wiley-Blackwell, 2011.
MLA引文ebrary, Inc, 与 S. W. Buol. Soil Genesis and Classification. 6th ed. Wiley-Blackwell, 2011.
警告：这些引文格式不一定是100％准确.