APA (7th ed.) Citation

Black, U. D. (1995). The X series recommendations: Standards for data communications (2nd edition.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Black, Uyless D. The X Series Recommendations: Standards for Data Communications. 2nd edition. New York: McGraw-Hill, 1995.

MLA (8th ed.) Citation

Black, Uyless D. The X Series Recommendations: Standards for Data Communications. 2nd edition. McGraw-Hill, 1995.