Cita APA

Christian, K., & Richter, S. (1994). The UNIX operating system J. Wiley.

Citación estilo Chicago

Christian, Kaare, and Susan Richter. The UNIX Operating System. 3rd ed. New York: J. Wiley, 1994.

Cita MLA

Christian, Kaare, and Susan Richter. The UNIX Operating System. 3rd ed. New York: J. Wiley, 1994.