APA (7th ed.) Citation

Helama, S., Arppe, L., Timonen, M., Mielikäinen, K., & Oinonen, M. (2018). A 7.5 ka chronology of stable carbon isotopes from tree rings with implications for their use in palaeo-cloud reconstruction. Global & Planetary Change, 170, 20. https://doi.org/10.1016/j.gloplacha.2018.08.002

Chicago Style (17th ed.) Citation

Helama, Samuli, Laura Arppe, Mauri Timonen, Kari Mielikäinen, and Markku Oinonen. "A 7.5 ka Chronology of Stable Carbon Isotopes from Tree Rings with Implications for Their Use in Palaeo-cloud Reconstruction." Global & Planetary Change 170 (2018): 20. https://doi.org/10.1016/j.gloplacha.2018.08.002.

MLA (9th ed.) Citation

Helama, Samuli, et al. "A 7.5 ka Chronology of Stable Carbon Isotopes from Tree Rings with Implications for Their Use in Palaeo-cloud Reconstruction." Global & Planetary Change, vol. 170, 2018, p. 20, https://doi.org/10.1016/j.gloplacha.2018.08.002.