APA (7th ed.) Citation

Greenfield, S. (2008). I.D: The quest for identity in the 21st century. Sceptre.

Chicago Style (17th ed.) Citation

Greenfield, Susan. I.D: The Quest for Identity in the 21st Century. London: Sceptre, 2008.

MLA (9th ed.) Citation

Greenfield, Susan. I.D: The Quest for Identity in the 21st Century. Sceptre, 2008.

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