Weiskopf. Anti-Drug Policies in Colombia. Vanderbilt University Press.
芝加哥风格引文Weiskopf. Anti-Drug Policies in Colombia. Vanderbilt University Press.
MLA引文Weiskopf. Anti-Drug Policies in Colombia. Vanderbilt University Press.
警告：这些引文格式不一定是100％准确.
APA引文