Cita APA (7a ed.)

Sin autor. (1991). Logic programming and non-monotonic reasoning: Proceedings of the First International Workshop. [S.n.].

Cita Chicago Style (17a ed.)

Sin autor. Logic Programming and Non-monotonic Reasoning: Proceedings of the First International Workshop. Cambridge: [S.n.], 1991.

Cita MLA (9a ed.)

Sin autor. Logic Programming and Non-monotonic Reasoning: Proceedings of the First International Workshop. [S.n.], 1991.