APA
De Alba P., Seed H. B., Seed R. B. & Retamal E. (1987). Residual strength of sand from dam failures in the Chilean earthquake of march 3, 1985. California: University of California Press.
Chicago
De Alba Pedro, Seed H Bolton, Seed Raymond Bolton and Retamal Eugenio. 1987. Residual strength of sand from dam failures in the Chilean earthquake of march 3, 1985. California: University of California Press.
Harvard
De Alba P., Seed H. B., Seed R. B. and Retamal E. (1987). Residual strength of sand from dam failures in the Chilean earthquake of march 3, 1985. California: University of California Press.
MLA
De Alba Pedro, Seed H Bolton, Seed Raymond Bolton and Retamal Eugenio. Residual strength of sand from dam failures in the Chilean earthquake of march 3, 1985. California: University of California Press. 1987.