APA (7th ed.) Citation

Kolata, D. R., Huff, W. D., & Bergstrom, S. M. (1996). Ordovician K-bentonites of eastern North America. Geological Society of America.

Chicago Style (17th ed.) Citation

Kolata, Dennis R., Warren D. Huff, and Stig M. Bergstrom. Ordovician K-bentonites of Eastern North America. Boulder, Colo: Geological Society of America, 1996.

MLA (8th ed.) Citation

Kolata, Dennis R., et al. Ordovician K-bentonites of Eastern North America. Geological Society of America, 1996.