APA (7th ed.) Citation
Büntgen, U., Wacker, L., Galván, J. D., Arnold, S., Arseneault, D., Baillie, M., . . . Young, G. H. F. (2018). Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE. Nature Publishing Group.
Chicago Style (17th ed.) Citation
Büntgen, Ulf, et al. Tree Rings Reveal Globally Coherent Signature of Cosmogenic Radiocarbon Events in 774 and 993 CE. Nature Publishing Group, 2018.
MLA (9th ed.) Citation
Büntgen, Ulf, et al. Tree Rings Reveal Globally Coherent Signature of Cosmogenic Radiocarbon Events in 774 and 993 CE. Nature Publishing Group, 2018.
Warning: These citations may not always be 100% accurate.