Cita APA (7a ed.)

Johnson, D. L. (1982). Class & social development: A new theory of the middle class. Sage.

Cita Chicago Style (17a ed.)

Johnson, Dale L. Class & Social Development: A New Theory of the Middle Class. Beverly Hills [etc.]: Sage, 1982.

Cita MLA (9a ed.)

Johnson, Dale L. Class & Social Development: A New Theory of the Middle Class. Sage, 1982.