Cita APA

Thomas, R., & Yates, J. (1985). A User Guide to the Unix System. California: McGraw-Hill.

Chicago Style Citation

Thomas, Rebecca, i Jean Yates. A User Guide to the Unix System. California: McGraw-Hill, 1985.

Cita MLA

Thomas, Rebecca, i Jean Yates. A User Guide to the Unix System. California: McGraw-Hill, 1985.