Cita APA

León Roberto T., Santana, G., Workshop of the Costa Rica Earthquakes of 1990-1991 : Effects on Soils and Structures (1992 ap. : Costa Rica), & Youd, T. L. (1992). Proceedings of the NSF. [S.l.]: Oakland, Calif. : Earthquake Engineering Research Institute.

Citación estilo Chicago

León Roberto T., Guillermo Santana, Workshop of the Costa Rica Earthquakes of 1990-1991 : Effects on Soils and Structures (1992 ap. : Costa Rica), y T. Leslie Youd. Proceedings of the NSF. [S.l.]: Oakland, Calif. : Earthquake Engineering Research Institute, 1992.

Cita MLA

León Roberto T., Guillermo Santana, Workshop of the Costa Rica Earthquakes of 1990-1991 : Effects on Soils and Structures (1992 ap. : Costa Rica), y T. Leslie Youd. Proceedings of the NSF. [S.l.]: Oakland, Calif. : Earthquake Engineering Research Institute, 1992.