Prothero. Catastrophes! Johns Hopkins University Press.
芝加哥风格引文Prothero. Catastrophes! Johns Hopkins University Press.
MLA引文Prothero. Catastrophes! Johns Hopkins University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Prothero. Catastrophes! Johns Hopkins University Press.
芝加哥风格引文Prothero. Catastrophes! Johns Hopkins University Press.
MLA引文Prothero. Catastrophes! Johns Hopkins University Press.