Cita APA (7a ed.)

Roberts, R. (1990). The classic slum: Salford life in the first Quarter of the Century (Reprinted.). Penguin Books.

Cita Chicago Style (17a ed.)

Roberts, Robert. The Classic Slum: Salford Life in the First Quarter of the Century. Reprinted. Harmondsworth [u.a.]: Penguin Books, 1990.

Cita MLA (8a ed.)

Roberts, Robert. The Classic Slum: Salford Life in the First Quarter of the Century. Reprinted. Penguin Books, 1990.