Cita APA (7a ed.)

Logic Colloquium & Ebbinghaus, H. (1989). Logic Colloquium '87: Proceedings of the Colloquium held in Granada, Spain July 20-25, 1987. North-Holland.

Cita Chicago Style (17a ed.)

Logic Colloquium y Heinz-Dieter Ebbinghaus. Logic Colloquium '87: Proceedings of the Colloquium Held in Granada, Spain July 20-25, 1987. Amsterdam [etc.]: North-Holland, 1989.

Cita MLA (9a ed.)

Logic Colloquium y Heinz-Dieter Ebbinghaus. Logic Colloquium '87: Proceedings of the Colloquium Held in Granada, Spain July 20-25, 1987. North-Holland, 1989.