APA (7th ed.) Citation

Guthrie, G. W. (1986). The case for Amtrak. [publisher not identified].

Chicago Style (17th ed.) Citation

Guthrie, Gary W. The Case for Amtrak. [Place of publication not identified]: [publisher not identified], 1986.

MLA (9th ed.) Citation

Guthrie, Gary W. The Case for Amtrak. [publisher not identified], 1986.