APA (7th ed.) Citation

Zlotnick, F. (1991). The POSIX.1 standard: A programmer's guide. The Benjamin/Cummings pub. co..

Chicago Style (17th ed.) Citation

Zlotnick, Fred. The POSIX.1 Standard: A Programmer's Guide. Redwood city, Calif.: The Benjamin/Cummings pub. co., 1991.

MLA (9th ed.) Citation

Zlotnick, Fred. The POSIX.1 Standard: A Programmer's Guide. The Benjamin/Cummings pub. co., 1991.