APA (7th ed.) Citation

Helama, S., Mielikäinen, K., Timonen, M., & Eronen, M. (2008). Finnish supra-long tree-ring chronology extended to 5634 BC. Norwegian Journal of Geography, 62(4), 271. https://doi.org/10.1080/00291950802517593

Chicago Style (17th ed.) Citation

Helama, Samuli, Kari Mielikäinen, Mauri Timonen, and Matti Eronen. "Finnish Supra-long Tree-ring Chronology Extended to 5634 BC." Norwegian Journal of Geography 62, no. 4 (2008): 271. https://doi.org/10.1080/00291950802517593.

MLA (9th ed.) Citation

Helama, Samuli, et al. "Finnish Supra-long Tree-ring Chronology Extended to 5634 BC." Norwegian Journal of Geography, vol. 62, no. 4, 2008, p. 271, https://doi.org/10.1080/00291950802517593.