APA (7th ed.) Citation

Campbell, M. R. (1897). Geologic atlas of U.S.: Tazewell folio, Virginia-West Virginia. [s.n.].

Chicago Style (17th ed.) Citation

Campbell, Marius R. Geologic Atlas of U.S.: Tazewell Folio, Virginia-West Virginia. Washington, D.C.: [s.n.], 1897.

MLA (8th ed.) Citation

Campbell, Marius R. Geologic Atlas of U.S.: Tazewell Folio, Virginia-West Virginia. [s.n.], 1897.