Cita APA (7a ed.)

Rosenfeld, O. J., Safar, P. L., & Díaz, F. J. (1990). User interface management system.

Cita Chicago Style (17a ed.)

Rosenfeld, Osvaldo Javier, Pablo Luis Safar, y Francisco Javier Díaz. User Interface Management System. 1990.

Cita MLA (8a ed.)

Rosenfeld, Osvaldo Javier, et al. User Interface Management System. 1990.