APA (7th ed.) Citation

Parnell, T., & Null, C. (1999). Network administrator's reference. Osborne/McGraw-Hill.

Chicago Style (17th ed.) Citation

Parnell, Tere, and Christopher Null. Network Administrator's Reference. Berkeley: Osborne/McGraw-Hill, 1999.

MLA (9th ed.) Citation

Parnell, Tere, and Christopher Null. Network Administrator's Reference. Osborne/McGraw-Hill, 1999.