APA način citiranja

Leon, R. T., Youd, T. L., & Santana Barboza, G. (1993). Proceedings of the NSF/UCR U.S.-Costa Rica Workshop on the Costa Rica earthquakes of 1990-1991: Effects on soils and structures.

Čikaški stil citiranja

Leon, Roberto T., T. Leslie Youd, i Guillermo Santana Barboza. Proceedings of the NSF/UCR U.S.-Costa Rica Workshop On the Costa Rica Earthquakes of 1990-1991: Effects On Soils and Structures. 1993.

MLA način citiranja

Leon, Roberto T., T. Leslie Youd, i Guillermo Santana Barboza. Proceedings of the NSF/UCR U.S.-Costa Rica Workshop On the Costa Rica Earthquakes of 1990-1991: Effects On Soils and Structures. 1993.