APA (7th ed.) Citation

Baxter, J. W. (1963). Areal geology of the Illinois fluorspar district. [publisher not identified].

Chicago Style (17th ed.) Citation

Baxter, James W. Areal Geology of the Illinois Fluorspar District. Urbana: [publisher not identified], 1963.

MLA (9th ed.) Citation

Baxter, James W. Areal Geology of the Illinois Fluorspar District. [publisher not identified], 1963.