Citação norma APA

National Railroad Passenger Corporation (Amtrak) MarketLine Company Profile. MarketLine, a Progressive Digital Media business.

Citação norma Chicago

National Railroad Passenger Corporation (Amtrak) MarketLine Company Profile. MarketLine, a Progressive Digital Media business.

Citação norma MLA

National Railroad Passenger Corporation (Amtrak) MarketLine Company Profile. MarketLine, a Progressive Digital Media business.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.