APA (7th ed.) Citation

ScienceDirect (Online service), Dawson, T. E., & Siegwolf, R. T. W. (2007). Stable isotopes as indicators of ecological change. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Todd E. Dawson, and Rolf T. W. Siegwolf. Stable Isotopes as Indicators of Ecological Change. [Place of publication not identified]: Academic Press, 2007.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Stable Isotopes as Indicators of Ecological Change. Academic Press, 2007.