Lampe, G. P. (1998). Frederick Douglass: Freedom's voice, 1818-1845. Michigan State University Press.
芝加哥风格引文Lampe, Gregory P. Frederick Douglass: Freedom's Voice, 1818-1845. East Lansing: Michigan State University Press, 1998.
MLA引文Lampe, Gregory P. Frederick Douglass: Freedom's Voice, 1818-1845. Michigan State University Press, 1998.
警告：这些引文格式不一定是100％准确.