APA (7th ed.) Citation
Pittenger, M. (2012). Class unknown: Undercover investigations of American work and poverty from the progressive era to the present. New York University Press.
Chicago Style (17th ed.) Citation
Pittenger, Mark. Class Unknown: Undercover Investigations of American Work and Poverty from the Progressive Era to the Present. New York: New York University Press, 2012.
MLA (9th ed.) Citation
Pittenger, Mark. Class Unknown: Undercover Investigations of American Work and Poverty from the Progressive Era to the Present. New York University Press, 2012.
Warning: These citations may not always be 100% accurate.