The negro's progress in fifty years ...
APA Citation
American Academy of Political and Social Science., Lichtenberger, J. Pendleton. (1913). The negro's progress in fifty years ... Philadelphia: American academy of political and social science.
MLA Citation
American Academy of Political and Social Science, and James Pendleton Lichtenberger. The Negro's Progress In Fifty Years ... Philadelphia: American academy of political and social science, 1913.
Warning: These citations may not always be complete (especially for serials).