SpringerLink (Online service), Martinez, V. J., Portilla, M., & Saez, D. (1992). New insights into the universe: Proceedings of a summer school, held in València, Spain, 23-27 September 1991. Springer-Verlag.
Chicago Style (17th ed.) CitationSpringerLink (Online service), V. J. Martinez, M. Portilla, and D. Saez. New Insights into the Universe: Proceedings of a Summer School, Held in València, Spain, 23-27 September 1991. Berlin ; New York: Springer-Verlag, 1992.
MLA (9th ed.) CitationSpringerLink (Online service), et al. New Insights into the Universe: Proceedings of a Summer School, Held in València, Spain, 23-27 September 1991. Springer-Verlag, 1992.
Warning: These citations may not always be 100% accurate.