Cita APA (7a ed.)

Van den Haag, E. (1987). A hard but practical line. The prison journal, 67(2), 90-94.

Cita Chicago Style (17a ed.)

Van den Haag, Ernest. "A Hard but Practical Line." The Prison Journal 67, no. 2 (1987): 90-94.

Cita MLA (9a ed.)

Van den Haag, Ernest. "A Hard but Practical Line." The Prison Journal, vol. 67, no. 2, 1987, pp. 90-94.