Johnson, R. A. (2005). Six men who built the modern auto industry. St. Paul MN Motorbooks.
Citazione stile Chigago Style (17a edizione)Johnson, Richard A. Six Men Who Built the Modern Auto Industry. [s.l]: St. Paul MN Motorbooks, 2005.
Citatione MLA (9a ed.)Johnson, Richard A. Six Men Who Built the Modern Auto Industry. St. Paul MN Motorbooks, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.