APA-Zitierstil (7. Ausg.)

(1987). X/OPEN. Portability guide. Vol. 2. System V specification. System calls and libraries ([1st ed.].). Elsevier Science Publishers.

Chicago-Zitierstil (17. Ausg.)

X/OPEN. Portability Guide. Vol. 2. System V Specification. System Calls and Libraries. [1st ed.]. Amsterdam: Elsevier Science Publishers, 1987.

MLA-Zitierstil (9. Ausg.)

X/OPEN. Portability Guide. Vol. 2. System V Specification. System Calls and Libraries. [1st ed.]. Elsevier Science Publishers, 1987.