Foreman checks methane level with flame safety lamp, circa 1960s
MLA
Monongahela Power Company. "Foreman checks methane level with flame safety lamp, circa 1960s." Georgia State University. Special Collections. 1960/1969, http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101567.
APA
Monongahela Power Company (1960/1969). Foreman checks methane level with flame safety lamp, circa 1960s. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101567
Chicago
Monongahela Power Company. "Foreman checks methane level with flame safety lamp, circa 1960s." 1960/1969. April 26, 2026. http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101567.
