Rensberger, B. (1998). Progress shortened ancient folk's lives. Today.
芝加哥风格引文Rensberger, Boyce. "Progress Shortened Ancient Folk's Lives." Today 1998.
MLA引文Rensberger, Boyce. "Progress Shortened Ancient Folk's Lives." Today, 1998.
警告：这些引文格式不一定是100％准确.