Sivils. Of Wilderness and Wolves. University of Iowa Press.
芝加哥风格引文Sivils. Of Wilderness and Wolves. University of Iowa Press.
MLA引文Sivils. Of Wilderness and Wolves. University of Iowa Press.
警告：这些引文格式不一定是100％准确.
APA引文
Sivils. Of Wilderness and Wolves. University of Iowa Press.
芝加哥风格引文Sivils. Of Wilderness and Wolves. University of Iowa Press.
MLA引文Sivils. Of Wilderness and Wolves. University of Iowa Press.