Cita APA (7a ed.)

Black, U. D. (1991). The X series recommendations: : protocols for data communications networks. McGraw-Hill.

Cita Chicago Style (17a ed.)

Black, Uyless D. The X Series Recommendations: : Protocols for Data Communications Networks. New York: McGraw-Hill, 1991.

Cita MLA (9a ed.)

Black, Uyless D. The X Series Recommendations: : Protocols for Data Communications Networks. McGraw-Hill, 1991.