Cita APA (7a ed.)

O'Shea, T., Self, J., & Thomas, G. (1987). Intelligent knowledge-based systems: An introduction. Harper & Row.

Cita Chicago Style (17a ed.)

O'Shea, Tim, John Self, y Glan Thomas. Intelligent Knowledge-based Systems: An Introduction. London [etc.]: Harper & Row, 1987.

Cita MLA (9a ed.)

O'Shea, Tim, et al. Intelligent Knowledge-based Systems: An Introduction. Harper & Row, 1987.