APA引文
Cornwell, P. D. (2006). At risk. G. P. Putnam's Sons.
芝加哥风格引文
Cornwell, Patricia Daniels. At Risk. New York: G. P. Putnam's Sons, 2006.
MLA引文
Cornwell, Patricia Daniels. At Risk. G. P. Putnam's Sons, 2006.
警告：这些引文格式不一定是100％准确.