Simmons, I. G. (1993). Environmental history: A concise introduction. Blackwell.
Chicago Style (17th ed.) CitationSimmons, I. G. Environmental History: A Concise Introduction. Oxford, UK ; Cambridge, Mass., USA: Blackwell, 1993.
MLA引文Simmons, I. G. Environmental History: A Concise Introduction. Blackwell, 1993.
警告：這些引文格式不一定是100％准確.
