APA (7th ed.) Citation

Simpson, J. A., & Campbell, L. (2013). The Oxford handbook of close relationships. Oxford University Press.

Chicago Style (17th ed.) Citation

Simpson, Jeffry A., and Lorne Campbell. The Oxford Handbook of Close Relationships. Oxford ; New York: Oxford University Press, 2013.

MLA (9th ed.) Citation

Simpson, Jeffry A., and Lorne Campbell. The Oxford Handbook of Close Relationships. Oxford University Press, 2013.