APA

United States, . (19). Amtrak's subsidy needs cannot be reduced without reducing service. [Washington, D.C: .

Chicago

United States, . 19. Amtrak's subsidy needs cannot be reduced without reducing service. [Washington, D.C: .

Harvard

United States, . (19). Amtrak's subsidy needs cannot be reduced without reducing service. [Washington, D.C: .

MLA

United States, . Amtrak's subsidy needs cannot be reduced without reducing service. [Washington, D.C: . 19.