APA (7th ed.) Citation

Polag, D., Leiß, O., & Keppler, F. (2014). Age dependent breath methane in the German population. The science of the total environment, 481, . https://doi.org/10.1016/j.scitotenv.2014.02.086

Chicago Style (17th ed.) Citation

Polag, Daniela, Ottmar Leiß, and Frank Keppler. "Age Dependent Breath Methane in the German Population." The Science of the Total Environment 481 (2014). https://doi.org/10.1016/j.scitotenv.2014.02.086.

MLA (9th ed.) Citation

Polag, Daniela, et al. "Age Dependent Breath Methane in the German Population." The Science of the Total Environment, vol. 481, 2014, https://doi.org/10.1016/j.scitotenv.2014.02.086.