Tractor Maintenance School.
MLA
Johnson. "Tractor Maintenance School.." Hargrett Library. 1946-12, https://dlg.usg.edu/record/guan_caes_0004-001-001-054-001#item.
APA
Johnson (1946-12). Tractor Maintenance School.. Retrieved from https://dlg.usg.edu/record/guan_caes_0004-001-001-054-001#item
Chicago
Johnson. "Tractor Maintenance School.." 1946-12. June 2, 2026. https://dlg.usg.edu/record/guan_caes_0004-001-001-054-001#item.