APA (7th ed.) Citation

Keenlyside, N., & Omrani, N. (2015). Has a warm North Atlantic contributed to recent European cold winters? Environmental Research Letters, 9(6), 061001.

Chicago Style (17th ed.) Citation

Keenlyside, Noel, and Nour-Eddine Omrani. "Has a Warm North Atlantic Contributed to Recent European Cold Winters?" Environmental Research Letters 9, no. 6 (2015): 061001.

MLA (9th ed.) Citation

Keenlyside, Noel, and Nour-Eddine Omrani. "Has a Warm North Atlantic Contributed to Recent European Cold Winters?" Environmental Research Letters, vol. 9, no. 6, 2015, p. 061001.