APA (7th ed.) Citation

Roberts, S. (1993). Who we are: A portrait of America based on the latest U.S. census. Times Books.

Chicago Style (17th ed.) Citation

Roberts, Sam. Who We Are: A Portrait of America Based on the Latest U.S. Census. New York [u.a.]: Times Books, 1993.

MLA (9th ed.) Citation

Roberts, Sam. Who We Are: A Portrait of America Based on the Latest U.S. Census. Times Books, 1993.