APA (7th ed.) Citation

Gagen, M., McCarroll, D., Loader, N., Robertson, I., & Young, G. (2011). Evidence of changing intrinsic water-use efficiency under rising atmospheric CO2 concentrations in Boreal Fennoscandia from subfossil leaves and tree ring δ13C ratios. Global Change Biology, 17(2), 1064.

Chicago Style (17th ed.) Citation

Gagen, Mary, Danny McCarroll, Neil Loader, Iain Robertson, and Giles Young. "Evidence of Changing Intrinsic Water-use Efficiency Under Rising Atmospheric CO2 Concentrations in Boreal Fennoscandia from Subfossil Leaves and Tree Ring δ13C Ratios." Global Change Biology 17, no. 2 (2011): 1064.

MLA (9th ed.) Citation

Gagen, Mary, et al. "Evidence of Changing Intrinsic Water-use Efficiency Under Rising Atmospheric CO2 Concentrations in Boreal Fennoscandia from Subfossil Leaves and Tree Ring δ13C Ratios." Global Change Biology, vol. 17, no. 2, 2011, p. 1064.