APA stil citiranja

Frey, D. (1990). A directory of electronic mail addressing and networks: A directory of electronic mail addressing and networks (2nd ed., minor revision 1991.). Sebastopol, Calif.: O'Reilly & Assoc.

Chicago stil citiranja

Frey, Donnalyn. A directory of electronic mail addressing and networks: A directory of electronic mail addressing and networks. 2nd ed., minor revision 1991. Sebastopol, Calif.: O'Reilly & Assoc, 1990.

MLA stil citiranja

Frey, Donnalyn. A directory of electronic mail addressing and networks: A directory of electronic mail addressing and networks. 2nd ed., minor revision 1991. Sebastopol, Calif.: O'Reilly & Assoc, 1990.