Eastern Air Lines ruler, circa 1960s
MLA
Eastern Air Lines. "Eastern Air Lines ruler, circa 1960s." Georgia State University. Special Collections. 1960/1969, http://digitalcollections.library.gsu.edu/cdm/ref/collection/eastern/id/58018.
APA
Eastern Air Lines (1960/1969). Eastern Air Lines ruler, circa 1960s. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/eastern/id/58018
Chicago
Eastern Air Lines. "Eastern Air Lines ruler, circa 1960s." 1960/1969. April 20, 2026. http://digitalcollections.library.gsu.edu/cdm/ref/collection/eastern/id/58018.
