Vetter. Field Life. University of Pittsburgh Press.
芝加哥风格引文Vetter. Field Life. University of Pittsburgh Press.
MLA引文Vetter. Field Life. University of Pittsburgh Press.
警告：这些引文格式不一定是100％准确.
APA引文
Vetter. Field Life. University of Pittsburgh Press.
芝加哥风格引文Vetter. Field Life. University of Pittsburgh Press.
MLA引文Vetter. Field Life. University of Pittsburgh Press.