APA Citation

Singer, B. C., & Wenzel, T. P. Estimated emission reductions from California's enhanced smog check program.

Chicago Style Citation

Singer, Brett C., and Thomas P. Wenzel. Estimated Emission Reductions From California's Enhanced Smog Check Program.

MLA Citation

Singer, Brett C., and Thomas P. Wenzel. Estimated Emission Reductions From California's Enhanced Smog Check Program.

Warning: These citations may not always be 100% accurate.