Gray, J. M. (2014). Geodiversity: Valuing and conserving abiotic nature (2e.). John Wiley & Sons Inc..
芝加哥风格引文Gray, J. M. Geodiversity: Valuing and Conserving Abiotic Nature. 2e. Chichester, West Sussex, UK: John Wiley & Sons Inc., 2014.
MLA引文Gray, J. M. Geodiversity: Valuing and Conserving Abiotic Nature. 2e. John Wiley & Sons Inc., 2014.
警告：这些引文格式不一定是100％准确.