Cita APA (7a ed.)

Johnston, H., Godfrey, B. S., & Cox, D. J. (Legal deposit first quarter 2022). Penal servitude: Convicts and long-term imprisonment, 1853-1948. States, people, and the history of social change.

Cita Chicago Style (17a ed.)

Johnston, Helen, Barry S. Godfrey, y David J. Cox. "Penal Servitude: Convicts and Long-term Imprisonment, 1853-1948." States, People, and the History of Social Change Legal deposit first quarter 2022.

Cita MLA (9a ed.)

Johnston, Helen, et al. "Penal Servitude: Convicts and Long-term Imprisonment, 1853-1948." States, People, and the History of Social Change, Legal deposit first quarter 2022.