APA (7th ed.) Citation

Hofmann, M., & Schellnhuber, H. J. (2010). Ocean acidification: A millennial challenge. Energy & Environmental Science, 3(12), 1883.

Chicago Style (17th ed.) Citation

Hofmann, Matthias, and Hans Joachim Schellnhuber. "Ocean Acidification: A Millennial Challenge." Energy & Environmental Science 3, no. 12 (2010): 1883.

MLA (8th ed.) Citation

Hofmann, Matthias, and Hans Joachim Schellnhuber. "Ocean Acidification: A Millennial Challenge." Energy & Environmental Science, vol. 3, no. 12, 2010, p. 1883.