APA (7th ed.) Citation

Ubl, S., Scheringer, M., Stohl, A., Burkhart, J., & Hungerbühler, K. (2012). Primary source regions of polychlorinated biphenyls (PCBs) measured in the Arctic. Atmospheric Environment, 62, 391.

Chicago Style (17th ed.) Citation

Ubl, Sandy, Martin Scheringer, Andreas Stohl, John Burkhart, and Konrad Hungerbühler. "Primary Source Regions of Polychlorinated Biphenyls (PCBs) Measured in the Arctic." Atmospheric Environment 62 (2012): 391.

MLA (9th ed.) Citation

Ubl, Sandy, et al. "Primary Source Regions of Polychlorinated Biphenyls (PCBs) Measured in the Arctic." Atmospheric Environment, vol. 62, 2012, p. 391.