APA (7th ed.) Citation

McKitterick, J. J., & Tiffany, J. E. (1925). Method of increasing lump-coal production, with especial reference to southern Illinois. [publisher not identified].

Chicago Style (17th ed.) Citation

McKitterick, J. J., and J. E. Tiffany. Method of Increasing Lump-coal Production, with Especial Reference to Southern Illinois. Washington, D.C.: [publisher not identified], 1925.

MLA (9th ed.) Citation

McKitterick, J. J., and J. E. Tiffany. Method of Increasing Lump-coal Production, with Especial Reference to Southern Illinois. [publisher not identified], 1925.