Cita APA (7th ed.)

NATO. (1968). Proceedings of the Summer School in Logic Leeds, 1967. Springer-Verlag.

Cita Chicago (17th ed.)

NATO. Proceedings of the Summer School in Logic Leeds, 1967. Berlín: Springer-Verlag, 1968.

Cita MLA (9th ed.)

NATO. Proceedings of the Summer School in Logic Leeds, 1967. Springer-Verlag, 1968.