Citazione APA

Sakolski, A. M. (1913). American railroad economics: A text-book for investors and students. The Macmillan company.

Stile di citazione Chicago

Sakolski, Aaron M. American Railroad Economics: A Text-book for Investors and Students. New York: The Macmillan company, 1913.

Citazione MLA

Sakolski, Aaron M. American Railroad Economics: A Text-book for Investors and Students. The Macmillan company, 1913.