Cummins. To the Vast and Beautiful Land. Texas A&M University Press.
芝加哥风格引文Cummins. To the Vast and Beautiful Land. Texas A&M University Press.
MLA引文Cummins. To the Vast and Beautiful Land. Texas A&M University Press.
警告：这些引文格式不一定是100％准确.
APA引文