Dunbar, R. (2014). How conversations around campfires came to be. National Academy of Sciences.
芝加哥风格引文Dunbar, R. How Conversations Around Campfires Came to Be. National Academy of Sciences, 2014.
MLA引文Dunbar, R. How Conversations Around Campfires Came to Be. National Academy of Sciences, 2014.
警告：这些引文格式不一定是100％准确.