APA (7th ed.) Citation

Willard, D. E. (1909). Geologic atlas of U.S.: Jamestown-Tower folio (Jamestown, Eckelson, and Tower quadrangles), North Dakota. [s.n.].

Chicago Style (17th ed.) Citation

Willard, Daniel E. Geologic Atlas of U.S.: Jamestown-Tower Folio (Jamestown, Eckelson, and Tower Quadrangles), North Dakota. Washington, D.C.: [s.n.], 1909.

MLA (8th ed.) Citation

Willard, Daniel E. Geologic Atlas of U.S.: Jamestown-Tower Folio (Jamestown, Eckelson, and Tower Quadrangles), North Dakota. [s.n.], 1909.