Cita APA (7th ed.)

Chadwick, D. W. (1996). Understanding X.500: The directory. International Thomson Computer Press.

Cita Chicago (17th ed.)

Chadwick, D. W. Understanding X.500: The Directory. London: International Thomson Computer Press, 1996.

Cita MLA (9th ed.)

Chadwick, D. W. Understanding X.500: The Directory. International Thomson Computer Press, 1996.