APA (7th ed.) Citation

American Telephone and Telegraph Company. (1990). UNIX System V, release 4 programmer's guide: Networking interfaces. Prentice-Hall.

Chicago Style (17th ed.) Citation

American Telephone and Telegraph Company. UNIX System V, Release 4 Programmer's Guide: Networking Interfaces. Englewood Cliffs, N.J: Prentice-Hall, 1990.

MLA (9th ed.) Citation

American Telephone and Telegraph Company. UNIX System V, Release 4 Programmer's Guide: Networking Interfaces. Prentice-Hall, 1990.