Cita APA (7a ed.)

Arity Corporation. (1988). The Arity-Prolog language reference manual. Arity Corporation.

Cita Chicago Style (17a ed.)

Arity Corporation. The Arity-Prolog Language Reference Manual. Concord, Massachusetts: Arity Corporation, 1988.

Cita MLA (9a ed.)

Arity Corporation. The Arity-Prolog Language Reference Manual. Arity Corporation, 1988.