Cita APA (7th ed.)

Kelly-Bootle, S. (1994). Understanding UNIX (2nd ed.). Sybex.

Cita Chicago (17th ed.)

Kelly-Bootle, Stan. Understanding UNIX. 2nd ed. San Francisco: Sybex, 1994.

Cita MLA (9th ed.)

Kelly-Bootle, Stan. Understanding UNIX. 2nd ed. Sybex, 1994.