APA (7th ed.) Citation

Knappen, R. S. (1926). Geology and mineral resources of the Dixon quadrangle. [Schnepp & Barnes, printers, Springfield].

Chicago Style (17th ed.) Citation

Knappen, Russell Stafford. Geology and Mineral Resources of the Dixon Quadrangle. Urbana, Ill.: [Schnepp & Barnes, printers, Springfield], 1926.

MLA (9th ed.) Citation

Knappen, Russell Stafford. Geology and Mineral Resources of the Dixon Quadrangle. [Schnepp & Barnes, printers, Springfield], 1926.