APA (7th ed.) Citation

Twenge, J. M., & Campbell, W. K. (2010). The narcissism epidemic : living in the age of entitlement / Jean M. Twenge and W. Keith Campbell ; [with a new foreword by the authors]: Living in the age of entitlement (1st Free Press trade pbk. ed.). Free Press.

Chicago Style (17th ed.) Citation

Twenge, Jean M., and W. Keith Campbell. The Narcissism Epidemic : Living in the Age of Entitlement / Jean M. Twenge and W. Keith Campbell ; [with a New Foreword by the Authors]: Living in the Age of Entitlement. 1st Free Press trade pbk. ed. New York ; London: Free Press, 2010.

MLA (9th ed.) Citation

Twenge, Jean M., and W. Keith Campbell. The Narcissism Epidemic : Living in the Age of Entitlement / Jean M. Twenge and W. Keith Campbell ; [with a New Foreword by the Authors]: Living in the Age of Entitlement. 1st Free Press trade pbk. ed. Free Press, 2010.

Warning: These citations may not always be 100% accurate.