Sheppard. Almost Free. University of Georgia Press.
芝加哥风格引文Sheppard. Almost Free. University of Georgia Press.
MLA引文Sheppard. Almost Free. University of Georgia Press.
警告：这些引文格式不一定是100％准确.
APA引文
Sheppard. Almost Free. University of Georgia Press.
芝加哥风格引文Sheppard. Almost Free. University of Georgia Press.
MLA引文Sheppard. Almost Free. University of Georgia Press.