APA (7th ed.) Citation

Barriger, J. W. (1967). "Railroads in the Civil War": A lecture. [publisher not identified].

Chicago Style (17th ed.) Citation

Barriger, John W. "Railroads in the Civil War": A Lecture. [Place of publication not identified]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Barriger, John W. "Railroads in the Civil War": A Lecture. [publisher not identified], 1967.