Cita APA (7th ed.)

Rich, E., & Knight, K. (1991). Artificial intelligence (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Rich, Elaine, i Kevin Knight. Artificial Intelligence. 2nd ed. New York: McGraw-Hill, 1991.

Cita MLA (9th ed.)

Rich, Elaine, i Kevin Knight. Artificial Intelligence. 2nd ed. McGraw-Hill, 1991.