Mackay, J. W. (1974). Sources of information for the literature of geology: An introductory guide. Geological Society of London.
芝加哥风格引文Mackay, John Watson. Sources of Information for the Literature of Geology: An Introductory Guide. London: Geological Society of London, 1974.
MLA引文Mackay, John Watson. Sources of Information for the Literature of Geology: An Introductory Guide. Geological Society of London, 1974.
警告：这些引文格式不一定是100％准确.