Etulain, R. W. (2013). Lincoln and Oregon country politics in the Civil War era. Oregon State University Press.
芝加哥风格引文Etulain, Richard W. Lincoln and Oregon Country Politics in the Civil War Era. Corvallis: Oregon State University Press, 2013.
MLA引文Etulain, Richard W. Lincoln and Oregon Country Politics in the Civil War Era. Oregon State University Press, 2013.
警告：这些引文格式不一定是100％准确.