Cita APA (7a ed.)

Campbell, J. (1984). Implementations of Prolog (1a ed.). Ellis Horwood.

Cita Chicago Style (17a ed.)

Campbell, John. Implementations of Prolog. 1a ed. Chichester: Ellis Horwood, 1984.

Cita MLA (9a ed.)

Campbell, John. Implementations of Prolog. 1a ed. Ellis Horwood, 1984.