APA (7th ed.) Citation

Sigurdsson, B., Medhurst, J., Wallin, G., Eggertsson, O., & Linder, S. (2013). Growth of mature boreal Norway spruce was not affected by elevated [CO2] and/or air temperature unless nutrient availability was improved.

Chicago Style (17th ed.) Citation

Sigurdsson, BD, JL Medhurst, G. Wallin, O. Eggertsson, and S. Linder. Growth of Mature Boreal Norway Spruce Was Not Affected by Elevated [CO2] And/or Air Temperature Unless Nutrient Availability Was Improved. 2013.

MLA (9th ed.) Citation

Sigurdsson, BD, et al. Growth of Mature Boreal Norway Spruce Was Not Affected by Elevated [CO2] And/or Air Temperature Unless Nutrient Availability Was Improved. 2013.

Warning: These citations may not always be 100% accurate.