Cita APA (7a ed.)

Butterworth, E., & Weir, D. (1973). Social problems of modern Britain Fontana.

Cita Chicago Style (17a ed.)

Butterworth, Eric, y David Weir. "Social Problems of Modern Britain." Fontana 1973.

Cita MLA (9a ed.)

Butterworth, Eric, y David Weir. "Social Problems of Modern Britain." Fontana, 1973.