APA (7th ed.) Citation

Sage Publications. (2016). Jean Twenge defines narcissism. SAGE Publications Ltd.

Chicago Style (17th ed.) Citation

Sage Publications. Jean Twenge Defines Narcissism. London, United Kingdom: SAGE Publications Ltd, 2016.

MLA (9th ed.) Citation

Sage Publications. Jean Twenge Defines Narcissism. SAGE Publications Ltd, 2016.

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