APA stil citiranja

Valentine, C. W. (1941). The difficult child and the problem of discipline: The difficult child and the problem of discipline (2nd ed.). London: Methuen.

Chicago stil citiranja

Valentine, C. W. The difficult child and the problem of discipline: The difficult child and the problem of discipline. 2nd ed. London: Methuen, 1941.

MLA stil citiranja

Valentine, C. W. The difficult child and the problem of discipline: The difficult child and the problem of discipline. 2nd ed. London: Methuen, 1941.