APA (7th ed.) Citation

Desborough, G. A. (1961). Geology of the Pomona quadrangle, Illinois. [publisher not identified].

Chicago Style (17th ed.) Citation

Desborough, George A. Geology of the Pomona Quadrangle, Illinois. Urbana: [publisher not identified], 1961.

MLA (9th ed.) Citation

Desborough, George A. Geology of the Pomona Quadrangle, Illinois. [publisher not identified], 1961.

Warning: These citations may not always be 100% accurate.