Nelson. Pushing Our Limits. University of Arizona Press.
芝加哥风格引文Nelson. Pushing Our Limits. University of Arizona Press.
MLA引文Nelson. Pushing Our Limits. University of Arizona Press.
警告：这些引文格式不一定是100％准确.
APA引文
Nelson. Pushing Our Limits. University of Arizona Press.
芝加哥风格引文Nelson. Pushing Our Limits. University of Arizona Press.
MLA引文Nelson. Pushing Our Limits. University of Arizona Press.