Photograph of Knights of Labor certificate, 1891
MLA
Knights of Labor. "Photograph of Knights of Labor certificate, 1891." Georgia State University. Special Collections. 1891, http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/102186.
APA
Knights of Labor (1891). Photograph of Knights of Labor certificate, 1891. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/102186
Chicago
Knights of Labor. "Photograph of Knights of Labor certificate, 1891." 1891. April 27, 2026. http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/102186.
