Cita APA (7a ed.)

Nutt, G. J. (1992). Open systems. Prentice-Hall.

Cita Chicago Style (17a ed.)

Nutt, Gary J. Open Systems. Englewood Cliffs, New Jersey: Prentice-Hall, 1992.

Cita MLA (9a ed.)

Nutt, Gary J. Open Systems. Prentice-Hall, 1992.