APA (7th ed.) Citation

Johansson, A., Kolseth, P., & Lindqvist, O. Uptake of Air Pollutants by Paper.

Chicago Style (17th ed.) Citation

Johansson, Anna, Petter Kolseth, and Oliver Lindqvist. Uptake of Air Pollutants by Paper.

MLA (9th ed.) Citation

Johansson, Anna, et al. Uptake of Air Pollutants by Paper.