Cita APA (7a ed.)

Perry, W. E. (1987). The information center. Prentice-Hall International.

Cita Chicago Style (17a ed.)

Perry, William E. The Information Center. Englewood Cliffs, New Jersey: Prentice-Hall International, 1987.

Cita MLA (9a ed.)

Perry, William E. The Information Center. Prentice-Hall International, 1987.