Cita APA (7a ed.)

Calvert, E. R., & Calvert, T. (1933). The lawbreaker: A critical study of the modern treatment of crime. Routledge.

Cita Chicago Style (17a ed.)

Calvert, Eric Roy, y Theodora Calvert. The Lawbreaker: A Critical Study of the Modern Treatment of Crime. London: Routledge, 1933.

Cita MLA (9a ed.)

Calvert, Eric Roy, y Theodora Calvert. The Lawbreaker: A Critical Study of the Modern Treatment of Crime. Routledge, 1933.