Snyder, C. R., & Lopez, S. J. (2009). Oxford handbook of positive psychology edited by C.R. Snyder, Shane J. Lopez (2nd ed.). Oxford University Press. https://doi.org/10.1093/oxfordhb/9780195187243.001.0001
Chicago Style (17th ed.) CitationSnyder, C. R., and Shane J. Lopez. Oxford Handbook of Positive Psychology Edited by C.R. Snyder, Shane J. Lopez. 2nd ed. New York ; Oxford: Oxford University Press, 2009. https://doi.org/10.1093/oxfordhb/9780195187243.001.0001.
MLA (9th ed.) CitationSnyder, C. R., and Shane J. Lopez. Oxford Handbook of Positive Psychology Edited by C.R. Snyder, Shane J. Lopez. 2nd ed. Oxford University Press, 2009. https://doi.org/10.1093/oxfordhb/9780195187243.001.0001.
Warning: These citations may not always be 100% accurate.