APA (7th ed.) Citation

Sapart, C., Research, M. a. A., chemistry, S. A. p. a., Roeckmann, T., van de Wal, R., & Sturges, W. (2012). Variations in the methane budget over the last two millennia.

Chicago Style (17th ed.) Citation

Sapart, C.J, Marine and Atmospheric Research, Sub Atmospheric physics and chemistry, Thomas Roeckmann, Roderik van de Wal, and W.T Sturges. Variations in the Methane Budget over the Last Two Millennia. 2012.

MLA (8th ed.) Citation

Sapart, C.J, et al. Variations in the Methane Budget over the Last Two Millennia. 2012.