APA (7th ed.) Citation

I'Anson, C., & Pell, A. (1993). Understanding OSI applications. PTR Prentice Hall.

Chicago Style (17th ed.) Citation

I'Anson, Colin, and Adrian Pell. Understanding OSI Applications. Englewood Cliffs, N.J: PTR Prentice Hall, 1993.

MLA (9th ed.) Citation

I'Anson, Colin, and Adrian Pell. Understanding OSI Applications. PTR Prentice Hall, 1993.