ScienceDirect (Online service), Sheldon, K. M., & Lucas, R. E. (2014). Stability of happiness: Theories and evidence on whether happiness can change. Academic Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Kennon M. Sheldon, and Richard E. Lucas. Stability of Happiness: Theories and Evidence on Whether Happiness Can Change. London: Academic Press, 2014.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Stability of Happiness: Theories and Evidence on Whether Happiness Can Change. Academic Press, 2014.
Warning: These citations may not always be 100% accurate.