APA (7th ed.) Citation

Roberts, R. (1973). The classic slum: Salford life in the first quarter of the century. Penguin.

Chicago Style (17th ed.) Citation

Roberts, Robert. The Classic Slum: Salford Life in the First Quarter of the Century. Harmondsworth: Penguin, 1973.

MLA (8th ed.) Citation

Roberts, Robert. The Classic Slum: Salford Life in the First Quarter of the Century. Penguin, 1973.