Cite
Stable carbon isotope ratios in tree rings of co-occurring species from semi-arid tropics in Africa: Patterns and climatic signals
MLA
Gebrekirstos, Aster, et al. “Stable Carbon Isotope Ratios in Tree Rings of Co-Occurring Species from Semi-Arid Tropics in Africa: Patterns and Climatic Signals.” Global & Planetary Change, vol. 66, no. 3/4, Apr. 2009, pp. 253–60. EBSCOhost, https://doi.org/10.1016/j.gloplacha.2009.01.002.
APA
Gebrekirstos, A., Worbes, M., Teketay, D., Fetene, M., & Mitlöhner, R. (2009). Stable carbon isotope ratios in tree rings of co-occurring species from semi-arid tropics in Africa: Patterns and climatic signals. Global & Planetary Change, 66(3/4), 253–260. https://doi.org/10.1016/j.gloplacha.2009.01.002
Chicago
Gebrekirstos, Aster, Martin Worbes, Demel Teketay, Masresha Fetene, and Ralph Mitlöhner. 2009. “Stable Carbon Isotope Ratios in Tree Rings of Co-Occurring Species from Semi-Arid Tropics in Africa: Patterns and Climatic Signals.” Global & Planetary Change 66 (3/4): 253–60. doi:10.1016/j.gloplacha.2009.01.002.