Cita APA (7a ed.)
Leffler, S. (1989). The design and implementation of the 4.3BSD UNIX operating system. Addison-Wesley.
Cita Chicago Style (17a ed.)
Leffler, S.J. The Design and Implementation of the 4.3BSD UNIX Operating System. Reading: Addison-Wesley, 1989.
Cita MLA (9a ed.)
Leffler, S.J. The Design and Implementation of the 4.3BSD UNIX Operating System. Addison-Wesley, 1989.
Precaución: Estas citas no son 100% exactas.