APA (7th ed.) Citation

Keith, A. (1907). Geologic atlas of U.S.: Nantahala folio, North Carolina-Tennessee. [s.n.].

Chicago Style (17th ed.) Citation

Keith, Arthur. Geologic Atlas of U.S.: Nantahala Folio, North Carolina-Tennessee. Washington, D.C.: [s.n.], 1907.

MLA (8th ed.) Citation

Keith, Arthur. Geologic Atlas of U.S.: Nantahala Folio, North Carolina-Tennessee. [s.n.], 1907.