Cita APA (7a ed.)

(1994). Portable Operating System Interface (POSIX). Part 2, Shell and utilities.

Cita Chicago Style (17a ed.)

Portable Operating System Interface (POSIX). Part 2, Shell and Utilities. 1994.

Cita MLA (9a ed.)

Portable Operating System Interface (POSIX). Part 2, Shell and Utilities. 1994.

Precaución: Estas citas no son 100% exactas.