Williamson, T. (2007). How probable is an inflnite sequence of heads?
芝加哥风格引文Williamson, T. How Probable Is an Inflnite Sequence of Heads? 2007.
MLA引文Williamson, T. How Probable Is an Inflnite Sequence of Heads? 2007.
警告：这些引文格式不一定是100％准确.
APA引文