Mine safety, 1974-1975, undated
MLA
Ross, M. H.. "Mine safety, 1974-1975, undated." Georgia State University. Special Collections. 1974/1975, http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/41026.
APA
Ross, M. H. (1974/1975). Mine safety, 1974-1975, undated. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/41026
Chicago
Ross, M. H.. "Mine safety, 1974-1975, undated." 1974/1975. April 29, 2026. http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/41026.
