Biostratigraphic data from Upper Cretaceous formations--eastern Wyoming, central Colorado, and northeastern New Mexico

MLA

Merewether, E. A., et al. Biostratigraphic data from Upper Cretaceous formations--eastern Wyoming, central Colorado, and northeastern New Mexico. [Reston, VA] : U.S. Dept. of the Interior, U.S. Geological Survey, 2011.

APA

Merewether, E., Cobban, W., Obradovich, J. & Geological Survey (U.S.). (2011). Biostratigraphic data from Upper Cretaceous formations--eastern Wyoming, central Colorado, and northeastern New Mexico. [Reston, VA] : U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago

Merewether, E. A., William A. Cobban, John D. Obradovich and Geological Survey (U.S.). Biostratigraphic data from Upper Cretaceous formations--eastern Wyoming, central Colorado, and northeastern New Mexico. [Reston, VA] : U.S. Dept. of the Interior, U.S. Geological Survey, 2011.