Cita APA (7a ed.)

International Symposium on Problematic Soils, Eiji, Y., Nobuchika, M., & Toshiyuki, M. (1998). Problematic soils. A. A. Balkema.

Cita Chicago Style (17a ed.)

International Symposium on Problematic Soils, Yanagisawa Eiji, Moroto Nobuchika, y Mitachi Toshiyuki. Problematic Soils. Rotterdam: A. A. Balkema, 1998.

Cita MLA (8a ed.)

International Symposium on Problematic Soils, et al. Problematic Soils. A. A. Balkema, 1998.