Cita APA (7a ed.)

Thomas, R., & Yates, J. (1982). A user guide to the UNIX system. OSBORNE/McGraw-Hill.

Cita Chicago Style (17a ed.)

Thomas, Rebecca, y Jean Yates. A User Guide to the UNIX System. Berkeley, California: OSBORNE/McGraw-Hill, 1982.

Cita MLA (9a ed.)

Thomas, Rebecca, y Jean Yates. A User Guide to the UNIX System. OSBORNE/McGraw-Hill, 1982.