APA (7th ed.) Citation

Ciais, P., Dolman, A., Bombelli, A., Duren, R., Peregon, A., Rayner, P., . . . Rivier, L. (2015). Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system. Biogeosciences, 11(13), 3547.

Chicago Style (17th ed.) Citation

Ciais, Philippe, et al. "Current Systematic Carbon-cycle Observations and the Need for Implementing a Policy-relevant Carbon Observing System." Biogeosciences 11, no. 13 (2015): 3547.

MLA (9th ed.) Citation

Ciais, Philippe, et al. "Current Systematic Carbon-cycle Observations and the Need for Implementing a Policy-relevant Carbon Observing System." Biogeosciences, vol. 11, no. 13, 2015, p. 3547.