APA (7th ed.) Citation

Wolfe, J. A., & Wehr, W. (1987). Middle Eocene dicotyledonous plants from Republic, northeastern Washington. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Wolfe, Jack A., and Wesley Wehr. Middle Eocene Dicotyledonous Plants from Republic, Northeastern Washington. [Reston, Va.]: Department of the Interior, U.S. Geological Survey, 1987.

MLA (9th ed.) Citation

Wolfe, Jack A., and Wesley Wehr. Middle Eocene Dicotyledonous Plants from Republic, Northeastern Washington. Department of the Interior, U.S. Geological Survey, 1987.