Butlin, R. A. (1993). Historical geography: Through the gates of space and time. Arnold.
Chicago Style (17th ed.) CitationButlin, Robin A. Historical Geography: Through the Gates of Space and Time. London: Arnold, 1993.
MLA引文Butlin, Robin A. Historical Geography: Through the Gates of Space and Time. Arnold, 1993.
警告:這些引文格式不一定是100%准確.