APA (7th ed.) Citation

Levin, I., Glatzel-Mattheier, H., Marik, T., Cuntz, M., Schmidt, M., & Worthy, D. (1999). Verification of German methane emission inventories and their recent changes based on atmospheric observations.

Chicago Style (17th ed.) Citation

Levin, Ingeborg, Holger Glatzel-Mattheier, Thomas Marik, Matthias Cuntz, Martina Schmidt, and Douglas Worthy. Verification of German Methane Emission Inventories and Their Recent Changes Based on Atmospheric Observations. 1999.

MLA (9th ed.) Citation

Levin, Ingeborg, et al. Verification of German Methane Emission Inventories and Their Recent Changes Based on Atmospheric Observations. 1999.