APA (7th ed.) Citation

Gordon, M. (1922). Penal discipline. Routledge [u.a.].

Chicago Style (17th ed.) Citation

Gordon, Mary. Penal Discipline. London [u.a.]: Routledge [u.a.], 1922.

MLA (9th ed.) Citation

Gordon, Mary. Penal Discipline. Routledge [u.a.], 1922.