Cita APA (7a ed.)

Glass, G. (1993). UNIX for programmers and users: A complete guide. [S.n.].

Cita Chicago Style (17a ed.)

Glass, Graham. UNIX for Programmers and Users: A Complete Guide. Englewood Cliffs: [S.n.], 1993.

Cita MLA (9a ed.)

Glass, Graham. UNIX for Programmers and Users: A Complete Guide. [S.n.], 1993.