APA (7th ed.) Citation

Porter, T. J., Pisaric, M. F., Kokelj, S. V., & Edwards, T. W. (2009). Climatic signals in δ13C and δ18O of tree-rings from White Spruce in the Mackenzie Delta Region, Northern Canada. Arctic, Antarctic, and Alpine Research, 41(4), 497.

Chicago Style (17th ed.) Citation

Porter, Trevor J., Michael F.J Pisaric, Steven V. Kokelj, and Thomas W.D Edwards. "Climatic Signals in δ13C and δ18O of Tree-rings from White Spruce in the Mackenzie Delta Region, Northern Canada." Arctic, Antarctic, and Alpine Research 41, no. 4 (2009): 497.

MLA (9th ed.) Citation

Porter, Trevor J., et al. "Climatic Signals in δ13C and δ18O of Tree-rings from White Spruce in the Mackenzie Delta Region, Northern Canada." Arctic, Antarctic, and Alpine Research, vol. 41, no. 4, 2009, p. 497.